Real Intensive
Quantitative Aptitude
AverageExclusively prepared for RIP V (IBPS PO) Students
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Real Intensive
Program
Quantitative Aptitude
AveragesExclusively prepared for RIP V (IBPS PO) Students
#38, Burkit Road, T Nagar, Chennai
Ph: 044 6456 3030, Mob: 9043303030, www.theRace.in
Blog: Http://raceinstitute.blogspot.in
Real Intensive
Program V Quantitative Aptitude
s Exclusively prepared for RIP V (IBPS PO) Students
#38, Burkit Road, T Nagar, Chennai-17
9043303030, www.theRace.in
Blog: Http://raceinstitute.blogspot.in
R.A.C.E
Rapid Academy of Competitive Exams [Unit of Seeman Education]
Exclusively prepared for RIP V (IBPS PO) Students
NO. 38, Burkit road, T. Nagar, Chennai-17 Ph: 044-64563030 Mob: 9043303030 www.theRace.in
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Averages
1. Find the average of the following set of scores:
152, 635, 121, 423, 632, 744, 365, 253, 302
(a) 403 (b) 396 (c) 428 (d) 383 (e) None of these
2. Find the average of the following set of scores:
214, 351, 109, 333, 752, 614, 456, 547
(a) 482 (b) 428 (c) 444 (d) 424 (e) None of these
3. What will be the average of the following set of scores?
48, 47, 64, 91, 72, 68, 93
(a) 65 (b) 69 (c) 72 (d) 61 (d) 75
4. Find the average of the following set of numbers:
155, 128, 137, 140, 160, 132
(a) 148 (b) 140 (c) 146 (d) 144 (e) None of these
5. What is the average of the following set of numbers?
38, 92, 45, 25, 60
(a) 48 (b) 54 (c) 56 (d) 50 (e) None of these
6. What is the average of the following numbers?
42 34 56 58 60
(a) 38 (b) 45 (c) 55 (d) 52 (e) None of these
7. Find the average of the following set of scores:
157, 348, 443, 221, 360, 795, 841, 101
(a) 443 (b) 368.50 (c) 408.25 (d) 348 (e) None of these
8. The average of 5 positive numbers is 344. The average of the first two numbers is 650 and the average
of the last two numbers is 100. What is the third number?
(a) 200 (b) 210 (c) 180 (d) Cannot be determined (e) None of these
9. Find the average of the following set of scores:
746, 348, 1163, 49, 214, 358, 79, 163
(a) 384 (b) 396 (c) 382 (d) 390 (e) None of these
10. The average of the present ages of Sachin and Saurabh is 35 years. If Sachin is 8 years older than
Saurabh, what is the Saurabh’s present age?
(a) 30 years (b) 34 years (c) 32 years (d) 40 years (e) None of these
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11. When the present age of mother is added to the present age of the daughter, the total is 40 years.
What will be their total age in years after 5 years?
(a) 45 (b) 50 (c) 40 (d) 55 (e) None of these
12. Find the average of the following set of numbers:
354, 281, 623, 518, 447, 702, 876
(a) 538 (b) 555 (c) 568 (d) 513 (e) None of these
13. What will be the average of the following set of numbers?
678, 193, 285, 494, 342, 762
(a) 395 (b) 359 (c) 495 (d) 459 (e) None of these
14. The body weight of seven boys is recorded as 67 kg, 45 kg, 87 kg, 65 kg, 86 kg, 54 kg and 58 kg.
What will be the average body weight of all seven boys?
(a) 68 kg (b) 66 kg (c) 64 kg (d) 62 kg (e) None of these
15. The average of 5 consecutive even numbers A, B, C, D and E is 106. What is the product of B and D?
(a) 11440 (b) 11024 (c) 10608 (d) 11232 (e) None of these
16. Find the average of the following set of scores:
125, 236, 334, 486, 564, 625, 702, 800
(a) 448 (b) 482 (c) 624 (d) 542 (e) None of these
17. The average of four consecutive even numbers P, Q, R and S respectively (in increasing order) is 51.
What is the product of P and R?
(a) 2592 (b) 2400 (c) 2600 (d) 2808 (e) None of these
18. What will be the average of the following set of scores?
69, 89, 34, 76, 54, 68, 28, 46
(a) 53 (b) 55 (c) 57 (d) 56 (e) None of these
19. Last month the number of employees in company A was �
� rd the number of employees in company B
and the average number of employees of both the companies was 718. Company A recruited one more
employee this month. What is the total number of employees in Company A at present?
(a) 380 (b) 370 (c) 360 (d) 340 (e) 350
20. What is the average age of a family of five members, whose ages are 42, 49, 56, 63 and 35 years
respectively?
(a) 60 years (b) 49 years (c) 45 years (d) 58 years (e) None of these
21. The average of 5 consecutive even numbers A, B, C, D and E is 52. What is the product of B and E?
(a) 2916 (b) 2988 (c) 3000 (d) 2800 (e) None of these
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22. Average age of 36 children of the class is 15 years. 12 more children joined whose average age is 16
years. What is the average age of all the 48 children together?
(a) 15.25 years (b) 15.5 years (c) 15.3 years (d) 15.4 years (e) None of these
23. The present age of Suraj is six times the age of Vijay. Also, Vijay’s present age is 20 years less than
Suraj’s age. What is Suraj’s age. What is Suraj’s present age?
(a) 20 years (b) 22 years (c) 18 years (d) 16 years (e) None of these
24. A, B, C, D and E are consecutive even numbers respectively. The average of 5 numbers is 82. What is
the product of C and E?
(a) 6888 (b) 6720 (c) 7052 (d) 7224 (e) None of these
25. The average of five numbers is 34.4. The average of the first and the second number is 46.5. The
average of the fourth and the fifth number is 18. What is the third number?
(a) 45 (b) 46 (c) 42 (d) 49 (e) None of these
26. The average of four consecutive even numbers A, B, C and D respectively is 25. What is the product of
A and C?
(a) 528 (b) 616 (c) 624 (d) 572 (e) None of these
27. The average of four consecutive even numbers A, B, C and D respectively is 37. What is te product of
A and C?
(a) 1420 (b) 1468 (c) 1292 (d) 1226 (e) None of these
28. The average of four consecutive odd numbers A, B, C and D respectively is 54. What is the product of
A and C?
(a) 2907 (b) 2805 (c) 2703 (d) 2915 (e) None of these
29. The average of five consecutive odd numbers in 41. What is the largest number?
(a) 47 (b) 45 (c) 43 (d) 49 (e) None of these
30. Average weight of three boys P, T and R is 54 �
� kgs while the average weight of three boys, T, F and G
is 53 kgs. What is the average weight of P, T, R, F and H?
(a) 53.8 kgs (b) 52.4 kgs (c) 53.2 kgs (d) Can’t be determined (e) None of these
31. The average age of five officers in a department is 32 years. If the age of their supervisor is added the
average increased by 1. What is the supervisor’s age?
(a) 32 years (b) 48 years (c) 38 years (d) 42 years (e) None of these
32. The marks of six boys in a group are 48, 59, 87, 37, 78, and 57. What are the average marks of all six
boys?
(a) 62 (b) 64 (c) 61 (d) 63 (e) None of these
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33. At present Sheetal is three times Surabhi’s age. After 7 years Sheetal will be twice Surabhi’s age then.
How many times will Sheetal’s age be in another fourteen years time with respect to Surabhi’s age then?
(a) 1 (b) 3 (c) 2 (d) 1.5 (e) None of these
34. Find the average of the following set of scores:
42, 63, 29, 36, 98, 15, 23, 74
(a) 48.3 (b) 43.8 (c) 45.7 (d) 47.5 (e) None of these
35. What will be the average of the following set of scores (Rounded off to the nearest integer)?
(a) 46, 54, 62, 68, 56, 29, 58
(a) 45 (B) 59 (c) 62 (d) 48 (e) 53
36. The body weight of seven students of a class is recorded as 54 kgs, 78 kgs, 43 kgs, 82 kgs, 67 kgs,
42 kgs and 75 kgs. What is the average body weight of all the seven students?
(a) 69 kgs (b) 63 kgs (c) 71 kgs (d) 73 kgs (e) None of these
37. Find the average of the following set of numbers:
637, 885, 692, 348, 213, 109, 505, 751
(a) 518 (b) 521.5 (c) 515.5 (d) 517 (e) None of these
38. The average weight of 60 students in a class was calculated as 40 kgs. Later it was found that the
weight of one of the students was calculated as 36 kgs., whereas his actual weight was 33 kgs. What is
the actual average weight of the students in the class?
(a) 39.90 kgs (b) 39.95 kgs (c) 39 kgs (d) 38 kgs (e) None of these
39. The present age of Anuj, Sunil, Manoj, Suraj, Mansi and Preeti are 24 years, 36 years, 17 years, 43
years, 16 years and 8 years respectively. What is their average present age?
(a) 26 years (b) 24 years (c) 18 years (d) 20 years (e) None of these
40. The height of 5 boys is recorded as, 146 cms, 154 cms, 164 cms, 148 cms and 158 cms. What is the
average height of all these boys?
(a) 152 cms (b) 158 cms (c) 156 cms (d) 154 cms (e) None of these
41. What will be the average of the following set of scores?
78, 69, 54, 21, 94, 48, 77
(a) 63 (b) 66 (c) 67 (d) 64 (e) None of these
42. The average of five numbers is 51.4. The average of the first and the second number is 30.5. The
average of the fourth and the fifth number is 62. What is the third number?
(a) 72 (b) 75 (c) 77 (d) 78 (e) None of these
43. Find the missing number if the average of all the eight numbers is 474.
533, 128, 429, 225, ____, 305, 601, 804
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(a) 767 (b) 783 (c) 776 (d) 658 (e) None of these
44. The body weight of six boys is recorded as 54 kgs, 64 kgs, 75 kgs, 67 kgs, 45 kgs and 91 kgs. What is
the average body weight of all six boys?
(a) 72 kgs (b) 62 kgs (c) 76 kgs (d) 66 kgs (e) None of these
45. Find the average of the following set of scores:
294, 903, 124, 382, 183, 466
(a) 382 (b) 374 (c) 399 (d) 387 (e) None of these
46. Ram’s present age is one-sixth of his father’s age. If the difference between their present ages is 35
years, what is his father’s present age?
(a) 32 years (b) 42 years (c) 52 years (d) 44 years (e) None of these
47. The average of 5 consecutive odd numbers A, B, C, D and E are respectively in ascending order is 37.
What is the product of B and D?
(a) 1365 (b) 2035 (c) 1935 (d) 1585 (e) None of these
48. The height of four buys is recorded as 142 cms, 156 cms, 162 cms, and 178 cms. What is the average
height of all four boys?
(a) 160 cms (b) 158.5 cms (c) 159.5 cms (d) 162 cms (e) None of these
49. Find the average of the following set of scores:
351, 244, 479, 58, 105, 78, 483, 536
(a) 479 (b) 356 (c) 424 (d) 358 (e) None of these
50. The average of 5 consecutive even numbers is 28. What is the sum of the largest number and the
square of the smallest number?
(a) 603 (b) 612 (c) 608 (d) 605 (e) None of these
51. The average weight of 15 girls was recorded as 54 kgs. If the weight of the teacher was added, the
average increased by two kgs. What was the teacher’s weight?
(a) 75 kgs (b) 95 kgs (c) 78 kgs (d) 86 kgs (e) None of these
52. Find the average of the following set of scores:
539, 741, 326, 461, 654, 952, 128, 543
(a) 487 (b) 523 (c) 608 (d) 572 (e) None of these
53. Find the average of the following set of scores:
556, 224, 778, 442, 336, 112
(a) 405 (b) 408 (c) 402 (d) 406 (e) None of these
54. The average height of four girls was recorded as 150 cm. If the average of the heights of three girls
out of four was 148 cm, what was the height of the fourth girl?
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(a) 156 cm (b) 168 cm (c) 170 cm (d) 162 cm (e) None of these
55. The average height of 27 persons was recorded as 162 cm. If the height of Shreyas was deleted from
the observation, the average height reduced by 1 cm. What was Shreyas’ height?
(a) 184 cm (b) 226 cm (c) 179 cm (d) 186 cm (e) None of these
56. The present age of Mr. Sanyal is 3 times the present age of his son. Six years hence the ratio of their
ages will be 5:2 respectively. What is the present age of Mr. Sanyal?
(a) 50 years (b) 48 years (c) 54 years (d) 60 years (e) None of these
57. The average of five consecutive odd numbers is 84 percent of the highest number. What is the sum of
the first two of these numbers?
(a) 64 (b) 32 (c) 36 (d) 44 (e) None of these
58. Find the average of the following set of scores:
221, 231, 441, 359, 665, 525
(a) 399 (b) 428 (c) 407 (d) 415 (e) None of these
59. The average height of 21 girls was recorded as 148 cms. If the teacher’s height was added, the
average increased by one. What was the teacher’s height?
(a) 156 cms (b) 168 cms (c) 170 cms (d) 162 cms (e) None of these
60. The average age of a brother and sister was 35 years, 5 years ago. What will be their average age (in
years) at present?
(a) 37.5 (b) 42 (c) 80 (d) 40.5 (e) None of these
61. Find the average of the following set of scores:
456, 328, 489, 453, 511, 328, 222, 205
(a) 374 (b) 388 (c) 362 (d) 391 (e) None of these
62. The average of four consecutive even numbers P, Q, R and S respectively is 55. What is the product of
Q and S?
(a) 3123 (b) 3135 (c) 3132 (d) 3125 (e) None of these
63. Find the average of the following set of scores:
341, 292, 254, 375, 505, 639
(a) 401 (b) 399 (c) 405 (d) 397 (e) None of these
64. If 36a + 36b = 576, then what is the average of a and b?
(a) 16 (b) 8 (c) 12 (d) 6 (e) None of these
65. Find the average of following set of scores:
180, 168, 176, 188, 164, 174
(a) 174 (b) 174.5 (c) 175.4 (d) 176 (e) None of these
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66. What will be the average of the following set of scores?
313, 252, 161, 727, 525, 818
(a) 463 (b) 466 (c) 456 (d) 476 (e) None of these
67. The average of five numbers is 56.4. The average of the first and the second number is 53. The
average of the fourth and the fifth number is 56. What is the third number?
(a) 63 (b) 62 (c) 67 (d) 68 (e) None of these
68. The average of five positive numbers is 213. The average of the first two numbers is 233.5 and the
average of last two numbers is 271. What is the third number?
(a) 64 (b) 56 (c) 106 (d) Cannot be determined (e) None of these
69. The average of 4 positive integers is 59. The highest integer is 83 and the lowest integer is 29. The
difference between the remaining two integers is 28. Which of the following integers is larger than the
remaining two integers?
(a) 48 (b) 76 (c) 39 (d) Cannot be determined (e) None of these
70. The average of four consecutive odd numbers A, B, C and D respectively is 24. What is the product of
B and D?
(a) 384 (b) 475 (c) 621 (d) 625 (e) None of these
71. The average of five numbers is 40.8. The average of the first and the second number is 46. The
average of the fourth and fifth number is 37. What is the third number?
(a) 36 (b) 34 (c) 38 (d) 32 (e) None of these
72. The body weight of six boys is recorded as 42 kg, 72 kg, 85 kg, 64 kg, 54 kg and 73 kg. What is the
average body weight of all the seven students?
(a) 69 kgs (b) 63 kgs (c) 71 kgs (d) 73 kgs (e) None of these
73. The sum of the present ages of Ram and Vijay is 72 years. Also the sum of present ages of Ram and
Shyam is 42 years. What is the present age of Vijay?
(a) 30 years (b) 24 years (c) 18 years (d) 36 years (e) None of these
74. The average of five consecutive numbers A, B, C, D and E is 48. What is the product of A and E?
(a) 2162 (b) 2208 (c) 2024 (d) 2300 (e) None of these
75. Find the average of the following set of scores:
568, 460, 349, 987, 105, 178, 426
(a) 442 (b) 441 (c) 440 (d) 439 (e) None of these
76. Find the average of the following set of scores:
34, 89, 37, 144, 78, 240, 128, 98
(a) 106 (b) 108 (c) 104 (d) 102 (e) None of these
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77. Average of four consecutive odd numbers is 106. What is the third number in ascending order?
(a) 107 (b) 111 (c) 113 (d) Cannot be determined (e) None of these
78. At present Barun is twice Vishal’s age and half of Tanvi’s age. After four years Barun will be 1.5 times
Vishal’s age and Tanvi will be 2.5 times Vishal’s age then. What is Tanvi’s present age?
(a) 12 years (b) 8 years (c) 20 years (d) 16 years (e) None of these
79. What will be the average of the following set of scores (Rounded off to the nearest integer)?
62, 76, 42, 84, 21, 47, 28
(a) 57 (b) 54 (c) 51 (d) 62 (e) 66
80. The average of five positive numbers is 308. The average of first two numbers is 482.5 and the
average of last two numbers is 258.5. What is the third number?
(a) 224 (b) 58 (c) 121 (d) Cannot be determined (e) None of these
81. The average of five numbers is 49. The average of the first and the second numbers is 48 and the
average of the fourth and fifth number is 28. What is the third number?
(a) 92 (b) 91 (c) 95 (d) Cannot be determined (e) None of these
82. The average of four consecutive numbers A, B, C and D respectively id 56.5. what is the product of A
and C?
(a) 3363 (b) 3306 (c) 3192 (d) 3080 (e) None of these
83. Find the average of the following set of scores:
450, 1050, 12, 390, 143, 286, 550, 999
(a) 390 (b) 485 (c) 520 (d) 500 (e) None of these
84. What is the average of the following set of numbers?
112, 102, 133, 116, and 127
(a) 108 (b) 118 (c) 128 (d) 110 (e) None of these
85. The body weight of six boys is recorded as 73 kgs, 49 kgs, 76 kgs, 89 kgs, 58 kgs and 39 kgs. What is
the average body weight of all six boys?
(a) 68 kgs (b) 66 kgs (c) 64 kgs (d) 62 kgs (e) None of these
86. Find the missing number if the average of all the eight numbers is 472.
623, 164, 529, 425, ___, 205, 301, 824
(a) 737 (b) 711 (c) 723 (d) 705 (e) None of these
87. Find the average of the following set of scores:
495, 321, 673, 553, 235, 723
(a) 530 (b) 550 (c) 500 (d) 520 (e) None of these
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88. A, B, C, D and E are five consecutive even numbers. Average of A and E is 46. What is the highest
number?
(a) 52 (b) 42 (c) 50 (d) 48 (e) None of these
89. Average of five numbers is 61. If the average of first and third numbers is 69 and the average of
second and fourth numbers is 69. What is the fifth number?
(a) 31 (b) 29 (c) 25 (d) 35 (e) None of these
90. Find the average of the following set of scores:
125, 133, 298, 345, 446, 507
(a) 312 (b) 309 (c) 315 (d) 306 (e) None of these
91. The average of 5 consecutive even numbers A, B, C, D and E respectively is 74. What is the product of
C and E?
(a) 5928 (b) 5616 (c) 5538 (d) 5772 (e) None of these
92. The mean of five consecutive numbers is 7. Which is the highest number?
(a) 8 (b) 10 (c) 7 (d) cannot be determined (e) None of these
93. The body weight of six men is recorded as 67 kg, 89 kg, 98 kg, 83 kg, 52 kg and 79 kg. What is the
average body weight of all the six men?
(a) 86 kg (b) 72 kg (c) 82 kg (d) 78 kg (e) None of these
94. Find the average of the following set of scores.
432, 623, 209, 378, 908, 168
(a) 456 (b) 455 (c) 453 (d) 458 (e) None of these
95. Find the average of the following set of numbers:
148, 88, 184, 166, 96, 122
(a) 146 (b) 142 (c) 136 (d) 132 (e) None of these
96. What will be the average of the following set of scores?
59, 84, 44, 98, 30, 40, 58
(a) 62 (b) 66 (c) 75 (d) 52 (e) 59
97. The average of 5 consecutive odd numbers A, B, C, D and E is 47. What is the product of A and D?
(a) 2107 (b) 1935 (c) 2021 (d) 2193 (e) None of these
98. The average of 60 boys in a class was calculated as 12 years. It was later realised that the actual age
of one of the boys in the class was 12.5 years but it was calculated as 14 years. What is the actual
average age of the boys in the class?
(a) 11 years (b) 11.275 years (c) 11.50 years (d) 11.975 years (e) None of these
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99. Present age of Sarita is five times the age of her son. Five years ago her age was 25 times the age of
her son that time. What is Sarita’s present age?
(a) 30 years (b) 32 years (c) 35 years (d) 25 years (e) None of these
100. The average of five numbers is 371.8. The average of the first and second number is 256.5 and the
average of the fourth and fifth number is 508. Which of the following is the third number?
(a) 360 (b) 310 (c) 430 (d) 380 (e) 330
101. At present Sofia is 1.5 times Shalu’s age and twice Saloni’s age. After six years Sofia will be 1.4
times Shalu’s age and Saloni will be 0.8 times Shalu’s age then. What is Saloni’s present age?
(a) 30 years (b) 36 years (c) 24 years (d) 18 years (e) None of these
102. The average of five numbers is 50.8. the average of the first and the second numbers is 29. The
average of the fourth and the fifth numbers is 66.5. What is the third number?
(a) 65 (b) 73 (c) 61 (d) 77 (e) None of these
103. A, B, C, D and E are five consecutive odd numbers. Average of A and C is 59. What is the smallest
number?
(a) 65 (b) 63 (c) 61 (d) 57 (e) None of these
104. The average of five numbers is 57.8. The average of the first and the second numbers is 77.5 and
the average of the fourth and fifth numbers is 46. What is the third number?
(a) 45 (b) 43 (c) 42 (d) Cannot be determined (e) None of these
105. Average weight of 19 men is 74 kgs and the average weight of 38 women is 63 kgs. What is the
average weight (rounded off to the nearest integer) of all the men and the women together?
(a) 59 kgs (b) 65 kgs (c) 69 kgs (d) 67 kgs (e) 71 kgs
106. Find the average of the following set of scores.
746, 1020, 321, 12, 63, 428, 226, 144
(a) 367.5 (b) 370 (c) 360 (d) 368.75 (e) None of these
107. Rahul purchased 124 notebooks. Sunil purchased 132 notebooks. Manish purchased 146 notebooks.
What was the average number of notebooks they purchased?
(a) 112 (b) 122 (c) 488 (d) 98 (e) None of these
108. At present Satish is four times Madhur’s age. After eight years Satish will be 2.5 times Madhur’s age
then. How many times will Satish’s age be in another eight years time with respect to Madhur’s age then?
(a) 5 (b) 3 (c) 2 (d) 1.5 (e) None of these
109. Average of five consecutive odd numbers is 95. What is the fourth number in descending order?
(a) 91 (b) 95 (c) 99 (d) 97 (e) None of these
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110. The average of four consecutive odd numbers P, Q, R and S respectively (in increasing order) is 104.
What is the sum of P and S?
(a) 204 (b) 208 (c) 206 (d) 212 (e) None of these
111. The average age of a man and his son is 30 years. The ratio of their ages is 4:1 respectively. What is
the son’s age?
(a) 12 years (b) 14 years (c) 16 years (d) 24 years (d) None of these
112. The average weight of 21 girls was recorded as 58 kgs. If the teacher’s weight was added, the
average increased by one. What was the teacher’s weight?
(a) 96 kgs (b) 78 kgs (c) 80 kgs (d) 62 kgs (e) None of these
113. The sum of the average of three consecutive odd numbers and three consecutive even numbers is
21. If the highest even number is 16, what is the lowest odd number?
(a) 5 (b) 7 (c) 9 (d) 11 (e) None of these
114. The average of four consecutive odd numbers A, B, C and D respectively is 40. What is the product of
B and D?
(a) 1599 (b) 1591 (c) 1763 (d) 1677 (e) None of these
115. The average of four consecutive even numbers is 27. What is the largest number?
(a) 32 (b) 28 (c) 30 (d) 34 (e) None of these
116. Find the average of the following set of numbers.
132, 148, 164, 128, 120, 136
(a) 142 (b) 136 (c) 138 (d) 144 (e) None of these
117. Average marks obtained in History by 45 students in ‘A’ division are 75 and the average marks
obtained by 40 students in ‘B’ division are 78. What are the overall average marks obtained in History by
the students in both the divisions (rounded off to two digits after decimal)?
(a) 76.81 (b) 77.11 (c) 77.41 (d) 76.41 (e) None of these
118. The average height of four boys was recorded as 170 cms. If the average of the heights of three
boys out of the four was 172 cms, what was the height of the fourth boy?
(a) 156 cm (b) 168 cm (c) 170 cm (d) 162 cm (e) None of these
119. Find the average of the following set of numbers.
76, 48, 84, 66, 70, 64
(a) 72 (b) 66 (c) 68 (d) 64 (e) None of these
120. Find the average of the following set of scores.
142, 93, 102, 206, 115, 98
(a) 122 (b) 106 (c) 138 (d) 117 (e) None of these
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121. Find the average of the following set of scores.
198, 309, 256, 48, 145, 326, 427
(a) 307 (b) 315 (c) 298 (d) 326 (e) None of these
Set 2
1. Find the average of 14, 19, 16, 24, 20.
(a) 18.2 (b) 18.6 (c) 18.4 (d) 18.7 (e) None of these
2. Find the average of 12.5, 11.6, 13.2, 15.6 and 9.8.
(a) 12.54 (b) 12.52 (c) 12.15 (d) 12.51 (e) 12.17
3. Find the average of first 40 natural numbers.
(a) 20.2 (b) 20.8 (c) 20.1 (d) 20.5 (e) 20.9
4. Find the average of the first 12 multiples of 12.
(a) 82 (b) 86 (c) 79 (d) 75 (e) 78
5. The average of 55 items is 29. If 2 is added to each number of the series, the new average is
(a) 31.5 (b) 31.4 (c) 31 (d) 30.5 (e) None of these
6. The average of 24 numbers is 18. If each item of the series is multiplied by 3, the new average is
(a) 54 (b) 62 (c) 57 (d) cannot be determined (e) None of these
7. If the average of five consecutive numbers is 27, find the smallest number.
(a) 23 (b) 24 (c) 26 (d) 25 (e) None of these
8. If the sum of 11 consecutive odd numbers is 253 find the first term
(a) 15 (b) 11 (c) 13 (d) 17 (e) 19
9. Find the average of the first six odd multiples of 5
(a) 30 (b) 32 (c) 28 (d) 26 (e) 36
10. If the average of 6 observations is 42 and another 6 observations is 45. Find the average of all the 12
observations
(a) 44 (b) 44.5 (c) 43 (d) 43.5 (e) None of these
11. Average of ‘x’ observation is 30, average of x other observations is 33 and average remaining x
observations is 42. Average of all the observations is
(a) 34 (b) 35 (c) 36 (d) Cannot be determined (e) None of these
12. Rajesh bought 75 items for Rs. 1215 from one shop and 60 items for Rs. 1080 from another shop
what is the average price he paid per item?
(a) Rs. 21 (b) Rs. 15 (c) Rs. 19 (d) Rs. 17 (e) Rs. 23
13. If 11a + 11b = 33, what is the average of a and b?
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(a) 3 (b) 2 (c) 1.5 (d) cannot be determined (e) None of these
14. The average of the daily incomes of A, B and C is Rs. 250. If B earns Rs. 30 more than C and A earns
double of C. What is the daily income of C?
(a) Rs. 195 (b) Rs. 190 (c) Rs. 180 (d) Rs. 185 (e) None of these
15. The average of 15 observations is 20. Average of first 5 is 16 and next 7 is 22. If 13th observation is 2
more than 14 and 14th observation is 2 more than 15th observation. Find the 15th observation
(a) 20 (b) 12 (c) 6 (d) 30 (e) None of these
16. The average temperature of the first three day 22°C and that of the next three days is 24°C the
average for the whole weak is 23.5°C, the temperature of the last day of the week is
(a) 26.8°C (b) 26.5°C (c) 26.4°C (d) 26.2°C (e) None of the above
17. The average temperature for Monday, Tuesday and Wednesday is 30°C and for Tuesday, Wednesday
and Thursday is 32°C. What is the temperature on Thursday, if temperature on Monday is 28°C.
(a) 35°C (b) 31°C (c) 32°C (d) cannot be determined (e) None of the above
18. The average expenditure of a man for the first 12 days of a month was Rs. 850 per day and for the
next 18 days, it was Rs. 825 per day. If he could save Rs. 700 during that month. Find his income for the
month.
(a) Rs. 22650 (b) Rs. 29450 (c) Rs. 24150 (d) Rs. 25750 (e) None of these
19. 12 men went to a restaurant 11 of them spent Rs. 50 each and the 12th person spent Rs. 110 more
than the average expenditure of all. Find the total money spent by them.
(a) Rs. 640 (b) Rs. 720 (c) Rs. 560 (d) Rs. 840 (e) None of these
20. Visitors to a show were charged Rs. 14 on the first day, Rs. 12 on second day and Rs. 10 third day.
The attendance of three days was in the ratio 1:2:5. Find the average charge per person for the whole
show.
(a) Rs. 11 (b) Rs. 11.50 (c) Rs. 11.75 (d) Cannot be determined (e) None of these
21. There are 70 students in a hostel. If 14 students increased then th total expenditure decreased by Rs.
2. Find the total expenditure originally.
22. A company employed 600 men and 400 women. Their average wage was Rs 68 per day. If a woman
gets Rs. 30 less than a man, what is the average wage of a woman?
(a) Rs. 50 (b) Rs. 54 (c) Rs. 54 (d) Cannot be determined (e) None of these
23. The average monthly salary of the employees of a firm is Rs. 3000. Out of the employees 12 officers
get an average of Rs. 5000 per month and the rest an average of Rs. 2000 per month. Find the total
number of employees.
(a) 38 (b) 34 (c) 36 (d) Cannot be determined (e) None of these
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24. Average of two numbers is 14.5 and square root of their product is 10. What are the numbers?
(a) 25, 4 (b) 20, 5 (c) 10, 15 (d) Cannot be determined (e) None of these
25. The average age of three boys is 12 yr. If their ages are in the ratio 2:3:4, the age of the eldest boy is
(a) 20 yr (b) 18 yr (c) 12 yr (d) 16 yr (e) None of these
26. The average age of 5 children in a family is 10 yr. If the spacing between their ages is 3 yr, the age of
the eldest child is
(a) 27 yr (b) 14 yr (c) 20 yr (d) 15 yr (e) None of these
27. The average age of a family of 6 members is 25 yr. If the age of the youngest member be 5 yr, find
the average age of the family at the birth of the youngest member
(a) 34 yr (b) 14 yr (c) 24 yr (d) Cannot be determined (e) None of these
28. The average speed of a bus for the first 150 km is 30 km/h the next 50 km is 25 km/h and the last 30
km is 10 km/h. Find the average speed of the bus for the entire journey.
(a) 23 km/h (b) 26 km/h (c) 29 km/h (d) 21 km/h (e) None of these
29. A person travels 120 km in 6 h, the next 130 km in 5 h and the next 200 km in 4 h. Find the average
speed during the whole journey.
(a) 37 km/h (b) 30 km/h (c) 36 km/h (d) Cannot be determined (e) None of these
30. 10 kg of tea having a rate of Rs. 44 per kg is mixed with 8 kg of tea costs Rs. 62 per kg, what is the
average rate of the mixture?
(a) Rs. 50 (b) Rs. 45 (c) Rs. 56 (d) Rs. 48 (e) None of these
31. The sales for the month of January was 500 units. Sales increased by 50 units every month for the
next 11 months. Find the average monthly sales for the year.
(a) 740 (b) 790 (c) 775 (d) 760 (e) None of these
32. Find the total cost for producing 5000 units if total fixed cost is Rs. 24000 and variable cost/unit is Rs.
15.
(a) Rs. 96000 (b) Rs. 99000 (c) Rs. 91000 (d) Rs. 97000 (e) None of the above
Set 3
1. David obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics, Physics, Chemistry
and Biology. What are his average marks?
(a) 65 (b) 69 (c) 72 (d) 76 (e) None of these
2. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
(a) 0 (b) 1 (c) 10 (d) 19 (e) None of these
3. Find the average of all the numbers between 6 and 34 which are divisible by 5.
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(a) 18 (b) 20 (c) 24 (d) 30 (e) None of these
4. The average of first five multiples of 3 is:
(a) 3 (b) 9 (c) 12 (d) 15 (e) None of these
5. The average of the first nine prime numbers is:
(a) 9 (b) 11 (c) 11 �
� (d) 11
�
� (e) None of these
6. A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9. 15, 13, 8, 19, 17, 21, 14
and x. He found the mean to be 12. What should be the number in place of x?
(a) 3 (b) 7 (c) 17 (d) 31 (e) None of these
7. The average of 2, 7, 6 and x is 5 and the average of 18, 1, 6, x and y is 10. What is the value of y?
(a) 5 (b) 10 (c) 20 (d) 30 (e) None of these
8. If the mean of 5 observations x, x + 2, x + 4, x + 6 and x + 8 is 11, then the mean of the last three
observations is:
(a) 11 (b) 13 (c) 15 (d) 17 (e) None of these
9. The average of the two-digit numbers, which remain the same when the digits interchange their
positions, is:
(a) 33 (b) 44 (c) 55 (d) 66 (e) None of these
10. The average of first 50 natural numbers is:
(a) 12.25 (b) 21.25 (c) 25 (d) 25.5 (e) None of these
11. The mean of 12, 22, 32, 42, 52, 62, 72 is:
(a) 10 (b) 20 (c) 30 (d) 40 (e) None of these
12. The average of all odd numbers upto 100 is:
(a) 49 (b) 49.5 (c) 50 (d) 51 (e) None of these
13. If a, b, c, d, e are five consecutive odd numbers, their average is:
(a) 5 (a + 4) (b) ����
(c) 5 (a + b + c + d + e) (d) 5 (c + 3) (e) None of these
14. The average of a non-zero number and its square is 5 times the number. The number is:
(a) 9 (b) 17 (c) 29 (d) 295 (e) None of these
15. The average of 7 consecutive numbers is 20. The largest of these numbers is:
(a) 20 (b) 22 (c) 23 (d) 24 (e) None of these
16. The average of five consecutive odd numbers is 61. What is the difference between the highest and
lowest numbers?
(a) 2 (b) 5 (c) 8 (d) Cannot be determined (e) None of these
17. The sum of three consecutive odd numbers is 38 more than the average of these numbers. What is
the first of these numbers?
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(a) 13 (b) 17 (c) 19 (d) Data inadequate (e) None of these
18. The average age of the boys in a class is 16 years and that of the girls is 15 years. The average age
for the whole class is:
(a) 15 years (b) 15.5 years (c) 16 years (d) Cannot be computed with the given information
(e) None of these
19. A family consists of grandparents, parents and three grandchildren. The average age of the
grandparents is 67 years, that of the parent is 35 years and that of the grandchildren is 6 years. What is
the average age of the family?
(a) 28 �
� years (b) 31
� years (c) 32
�
� years (d) 34
�
� years (e) None of these
20. A library has an average of 510 visitors on Sunday and 240 on other days. The average number of
visitors per day in a month of 30 days beginning with a Sunday is:
(a) 250 (b) 276 (c) 280 (d) 285 (e) None of these
21. The average weight of 16 boys in a class is 50.25 kgs and that of the remaining 8 boys is 45.15 kgs.
Find the average weight of all the boys in the class.
(a) 47.55 kgs (b) 48 kgs (c) 48.55 kgs (d) 49.25 kgs (e) None of these
22. A car owner buys petrol at Rs. 7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What
approximately is the average cost per litre of petrol if be spends Rs. 4000 each year?
(a) Rs. 7.98 (b) Rs. 8 (c) Rs. 8.50 (d) Rs. 9 (e) None of these
23. The average of six numbers is x and the average of three of these is y. If the average of the remaining
three is z, then:
(a) x = y + z (b) 2x = y + z (c) x = 2y + 2z (d) 2x = z + y (e) None of these
24. The average of 50 numbers is 30. If two numbers, 35 and 40 are discarded, then the average of the
remaining numbers is nearly:
(a) 28.32 (c) 28.78 (c) 29.27 (d) 29.68 (e) None of these
25. The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded
number is:
(a) 25 (b) 27 (c) 30 (d) 35 (e) None of these
26. The average age of 35 students in a class is 16 years. The average age of 21 students is 14. What is
the average age of remaining 14 students?
(a) 15 years (b) 17 years (c) 18 years (d) 19 years (e) None of these
27. 16 children are to be divided into two groups A and B of 10 and 6 children. The average percent marks
obtained by the children of groups A is 75 and the average percent marks of all the 16 children is 76.
What is the average percent marks of children of group B?
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(a) 77 �
� (b) 77
�
� (c) 78
�
� (d) 78
�
� (e) None of these
28. The average of six numbers is 3.95. The average of two of them is 3.4, while the average of the other
two is 3.85. What is the average of the remaining two numbers?
(a) 4.5 (b) 4.6 (c) 4.7 (d) 4.8 (e) None of these
29. The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest
score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs.
The highest score of the player is:
(a) 165 runs (b) 170 runs (c) 172 runs (d) 174 runs (e) None of these
30. The average of runs of a cricket player of 10 innings was 32. How many runs must he make in his
next innings so as to increase his average of runs by 4?
(a) 2 (b) 4 (c) 70 (d) 76 (e) None of these
31. A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months.
How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?
(a) Rs. 4991 (b) Rs. 5991 (c) Rs. 6001 (d) Rs. 6991 (e) None of these
32. A company produces on an average 4000 items per month for the first 3 months. How many items it
must produce on an average per month over the next 9 months, to average 4375 items per month over
the whole?
(a) 4500 (b) 4600 (c) 4680 (d) 4710 (e) None of these
33. In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the
remaining 40 overs to reach the target of 282 runs?
(a) 6.25 (b) 6.5 (c) 6.75 (d) 7 (e) None of these
34. Of the four numbers, the first is twice the second, the second is one-third of the third and the third is
5 times the fourth. The average of the numbers is 24.75. The largest of these numbers is:
(a) 9 (b) 25 (c) 30 (d) 35 (e) None of these
35. Of the four numbers, whose average is 60, the first is one-fourth of the sum of the last three. The first
number is:
(a) 15 (b) 45 (c) 48 (d) 60.25 (e) None of these
36. The average of 8 numbers is 20. The average of first two numbers is 15 �
� and that of the next three is
21 �
�. If the sixth number be less than the seventh and eight numbers by 4 and 7 respectively, then the
eight number is:
(a) 18 (b) 22 (c) 25 (d) 27 (e) None of theses
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37. If the arithmetic mean of seventy-five numbers is calculated, it is 35. If each number is increased by
5, then mean of new numbers is:
(a) 30 (b) 40 (c) 70 (d) 90 (e) None of these
38. Average of ten positive numbers is x. If each number is increased by 10%, then x:
(a) Remains unchanged (b) May decrease (c) May increase (d) Is increased by 10%
(e) None of these
39. The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as
23. The corrected new mean is:
(a) 35.2 (b) 36.1 (c) 36.5 (d) 39.1 (e) None of these
40. A pupil’s marks were wrongly entered as 8 instead of 63. Due to that the average marks for the class
got increased by half. The number of pupil’s in the class is:
(a) 10 (b) 20 (c) 40 (d) 73 (e) None of these
41. The average of 11 numbers is 10.9. If the average of the first six numbers is 10.5 and that of the last
six numbers is 11.4, then the middle number is:
(a) 11 (b) 11.3 (c) 11.4 (d) 11.5 (e) None of these
42. The average weight of three boys A, B and C is 54 �
�kg, while the average weight of three boys B, D
and E is 53 kg. What is the average weight of A, B, C, D and E?
(a) 52.4 kg (b) 53.2 kg (c) 53.8 kg (d) Data inadequate (e) None of these
43. The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B
and C be 43 kg, then the weight of B is:
(a) 17 kg (b) 20 kg (c) 26 kg (d) 31 kg (e) None of these
44. The average age of 36 students in a group is 14 years. When teacher’s age is included to it, the
average increases by one. What is the teacher’s age in years?
(a) 31 (b) 36 (c) 51 (d) Cannot be determined (e) None of these
45. The average monthly salary of 20 employees in an organisation is Rs. 1500. If the manager’s salary is
added, then the average salary increases by Rs. 100. What is the manager’s monthly salary?
(a) Rs. 2000 (b) Rs. 2400 (c) Rs. 3600 (d) Rs. 4800 (e) None of theses
46. The average age of the mother and her six children is 12 years which is reduced by 5 years if the age
of the mother is excluded. How old is the mother?
(a) 40 years (b) 42 years (c) 48 years (d) 50 years (e) None of these
47. The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If
the ages of these two are excluded, the average age of the remaining players is one year less than the
average age of the whole team. What is the average age of the team?
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(a) 23 years (b) 24 years (c) 25 years (d) 27 years (e) None of these
48. The average weight of 8 persons increase by 2.5 kg when a new person comes in place of one of them
weighing 65 kg. What might be the weight of the new person?
(a) 76 kg (b) 76.5 kg (c) 85 kg (d) Data inadequate (e) None of these
49. The average weight of 45 students in a class is 52 kg. Five of them whose average weight is 48 kg
leave the class and other 5 students whose average weight is 54 kg join the class. What is the new
average weight (in kg) of the class?
(a) 52 �
� (b) 52
�
� (c) 52
�
� (d) 52
�
� (e) None of these
50. The average age of 8 men is increased by 2 years when two of them whose ages are 21 years and 23
years are replaced by two new men. The average age of the two new men is:
(a) 22 years (b) 24 years (c) 28 years (d) 30 years (e) None of these
51. A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, thereby
increasing his average by 6 runs. His new average is:
(a) 48 runs (b) 52 runs (c) 55 runs (d) 60 runs (e) None of these
52. A cricketer whose bowling average is 12.4 runs per wicket takes 5 wickets for 26 runs and thereby
decreases his average by 0.4. The number of wickets taken by him till the last match was:
(a) 64 (b) 72 (c) 80 (d) 85 (e) None of these
53. A motorist travels to a place 150 km away at an average speed of 50 km/hr and returns at 30 km/hr.
His average speed for the whole journey in km/hr is:
(a) 35 (b) 37 (c) 37.5 (d) 40 (e) None of these
54. The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the
child 5 years ago was 20 years. The present age of the husband is:
(a) 35 years (b) 40 years (c) 50 years (d) 60 years (e) None of these
55. 3 years ago, the average age of a family of 5 members was 17 years. A baby having been born, the
average age of the family is the same today. The present age of the baby is
(a) 1 year (b) 1 �
� year (c) 2 years (d) 3 years (e) None of these
56. 10 years ago, the average age of a family of 4 members was 24 years. Two children having been born
(with age difference of 2 years), the present average age of the family is the same. The present age of the
youngest child is:
(a) 1 year (b) 2 years (c) 3 years (d) 5 years (e) None of theses
57. After replacing an old member by a new member, it was found that the average age of five members
of a club is the same as it was 3 years ago. What is the difference between the ages of the replaced and
the new member?
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(a) 2 years (b) 4 years (c) 8 years (d) 15 years (e) None of these
58. The average age of a group of persons going for picnic is 16 years. Twenty new persons with an
average age of 15 years join the group on the spot due to which their average age becomes 15.5 years.
The number of persons initially going for picnic is:
(a) 5 (b) 10 (c) 20 (d) 30 (e) None of these
59. A certain factory employed 600 men and 400 women and the average wage was Rs. 25.50 per day. If
a woman got Rs. 5 less than a man, then what are their daily wages?
(a) Man: Rs. 25; woman: Rs. 20 (b) Man: Rs. 27.50, Woman: Rs. 22.50
(c) Man: Rs. 30, Woman: Rs. 25 (d) Man: Rs. 32.50, Woman: Rs. 27.50 (e) None of these
60. The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them
secured a mean score of 80 and the dullest 25% a mean score of 31. The mean score of remaining 55%
is:
(a) 45 (b) 50 (c) 51.4 approximately (d) 54.6 approximately (e) None of these
61. In a school with 600 students, the average age of the boys is 12 years and that of the girls is 11
years. If the average age of the school is 11 years 9 months, then the number of girls in the school is:
(a) 150 (b) 250 (c) 350 (d) 450 (e) None of these
62. In an examination, a pupil’s average marks were 63 per paper. If he had obtained 20 more marks for
his Geography paper and 2 more marks for his History paper, his average per paper would have been 65.
How many papers were there in the examination?
(a) 8 (b) 9 (c) 10 (d) 11 (e) 12
63. The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4
years and that of the girls is 15.4 years. The ratio of the number of boys to the number of girls in the
class is:
(a) 1: 2 (b) 2: 3 (c) 3: 4 (d) 3: 5 (e) None of these
64. The average of first 10 odd numbers is
(a) 11 (b) 10 (c) 17 (d) 9 (e) None of these
65. The average of first 10 prime numbers is
(a) 10 (b) 12.5 (c) 12.9 (d) 15.5 (e) None of these
66. The average of first 10 natural numbers is
(a) 5 (b) 5.5 (c) 6.5 (d) 6 (e) None of these
67. The average of first 10 prime numbers which are odd is
(a) 12.9 (b) 13.8 (c) 17 (d) 15.8 (e) None of these
68. The average of first 10 even numbers is
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(a) 18 (b) 22 (c) 9 (d) 11 (e) None of these
69. The average of 31 �
�, 32
�
�, 31
�
�, 33
�
� is
(a) 32 �
�� (b) 16
�
� (c) 23
�
�� (d) 24
�
�� (e) None of these
70. The average of 9 observations was 9, that of the first 5 being 10 and that of the last 5 being 8. What
was the 5th observation?
(a) 9 (b) 8 (c) 7 (d) 6 (e) None of these
71. The average of 11 numbers is 10.9. If the average of first six is 10.5 and that of the last six is 11.4,
the sixth number is
(a) 11.0 (b) 11.3 (c) 11.4 (d) 11.5 (e) None of these
72. The average’s of Meenu’s marks in 7 subjects is 68. Her average in 6 subjects excluding English is 70.
How many marks did she get in English?
(a) 82 (b) 68 (c) 56 (d) 60 (e) None of these
73. A cricketer’s average for 15 matches is 24 runs. In the next five matches played by him, he scored 75,
40, 12, 36 and 57 runs. Find his new average for the 20 matches.
(a) 29 runs (b) 30 runs (c) 35 runs (d) 40 runs (e) None of these
74. Of the three numbers, the first is twice the second and is half of the third. If the average of the three
numbers is 56, the three numbers in order are
(a) 96, 24, 48 (b) 48, 96, 24 (c) 48, 24, 96 (d) 96, 48, 24 (e) None of these
75. A certain company employed 600 men and 400 women and the average wage was Rs. 2.55 per hour.
If a woman got 50 paise less than a man, what were their wages per hour?
(a) Man Rs. 3.00, Woman Rs. 2.50 (b) Man Rs. 3.50, Woman Rs. 3.00
(c) Man Rs. 2.75, Woman Rs. 2.25 (d) Man Rs. 3.25, Woman Rs. 2.75 (e) None of these
76. A tree is 8.4 metres tall, another is half as high and the third one is its quarter. What is the average
height of the three trees?
(a) 5.2 metres (b) 4.6 metres (c) 4.9 metres (d) 5.6 metres (e) None of these
77. The average noon temperature for Monday, Tuesday and Wednesday was 53°F and for Tuesday,
Wednesday and Thursday was 56°F. If the noon temperature on Thursday was 60°F, find the noon
temperature on Monday.
(a) 52°F (b) 51°F (c) 53°F (d) 55°F (e) None of these
78. The average age of 30 boys in class is 15 years. If the teacher’s age is included, the average increases
by one. What is the teacher’s age?
(a) 30 years (b) 45 years (c) 40 years (d) 46 years (e) None of these
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79. The mean of 100 observations was calculated as 40. It was found later that one of the observations
was misread as 83 instead of 53. The correct mean is
(a) 39.7 (b) 48.3 (c) 39.2 (d) 40.2 (e) None of these
80. The average of ten numbers is seven. If each number is multiplied by 12, then the average of new set
of numbers is
(a) 71 (b) 84 (c) 90 (d) 85 (e) None of these
81. In a class there are three divisions. The number of students and the average marks in Mathematics in
the three divisions are 30, 40, 30 and 40%, 30% and 50% respectively. What are the average marks in
mathematics of the class?
(a) 39% (b) 40% (c) 41% (d) 51% (e) None of theses
82. Visitors to a show were charged Rs. 15.00 each on the first day, Rs. 7.50 on the second day, Rs. 2.50
on the third day and total attendance on the three days was in ratio 2: 5: 13 respectively. What are the
average marks in mathematics of the class?
(a) Rs. 3.00 (b) Rs. 4.50 (c) Rs. 5.00 (d) Rs. 7.50 (e) None of these
83. A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.
25 per day, to a female worker Rs. 20 per day and to a child worker Rs. 8 per day. The average wage per
day paid by the contractor is
(a) Rs. 20 (b) Rs. 21 (c) Rs. 22 (d) Rs. 23 (e) None of these
84. Three years ago the average age of a family of 5 members was 17 years. A baby having been born
the average of the family is the same today. The age of the baby is
(a) 2 years (b) 3 years (c) 5 years (d) 6 years (e) None of these
85. The average age of a husband and a wife was 23 years when they were married five years ago but
now the average age of the husband, wife and child is 20 years (the child was born during the interval).
What is the present age of the child?
(a) 1 year (b) 2 years (c) 3 years (d) 4 years (e) None of these
86. A man went uphill with a speed of 20 km.p.h. and came downhill with a speed of 30 km.p.h. The
average speed for his journey was
(a) 25 km.p.h. (b) 22 �
� km.p.h. (c) 24 km.p.h. (d) 25
�
� km.p.h (e) None of these
87. A ship sails out to a mark at the rate of 10 km per hour and sails back at the rate of 15 km per hour.
What is its average rate of sailing?
(a) 10 km.p.h. (b) 12 km.p.h. (c) 15 km.p.h. (d) 11 km.p.h. (e) None of these
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88. A team of eight entered for a shooting competition. The best marksman scored 85 points. If he had
scored 92 points, the average score for the team would have been 84. How many points altogether did the
team score?
(a) 625 (b) 665 (c) 632 (d) 656 (e) None of these
89. A man leads Rs. 1,200 in four sums. If he gets 5% for Rs. 300, 6% for Rs. 350 and 6.5% for Rs. 400,
what percent must he get for the remainder if his average interest is 6.5 per cent?
(a) 2% (b) 4% (c) 6% (d) 7% (e) None of these
90. In 1951 the population of a city was 293468 and in 1961 it was 299868. T5he average rate of growth
per year was
(a) 650 (b) 645 (c) 640 (d) 660 (e) None of these
91. A car went 53 km in the first hour, 60 km in the second hour and 54 km in the third hour. In the
fourth hour, there was some trouble in the car, so it could run only 26 km. Its average speed is
(a) 51 km/hr (b) 48 km/hr (c) 57 km/hr (d) 45 km/hr (e) None of theses
92. Monica’s average expenses for 4 days is Rs. 6.0. She spent Rs. 7.70 on first day, Rs. 6.30 on second
day. If she spent Rs. 10 on third day, how much did she spend on the 4th day?
(a) Rs. 2 (b) Rs. 3 (d) Rs. 4 (d) Rs. 0 (e) None of these
93. The average temperature of Delhi in the 1st four days of a month was 37°C. The average temperature
for the second, third, fourth and fifth day was 39°C. If the temperature on the 1st and 5th day were in the
ratio of 4: 5, the temperature on the 1st and 5th day must have been
(a) 32°C, 40°C (b) 30°C, 40°C (c) 36°C, 40°C (d) 33°C, 45°C (e) None of
these
94. The average age of A and B is 20 years. If C were to replace A, the average would be 19 and if C were
to replace B, the average would be 21. The ages of A, B and C are (in years)
(a) 22, 17, 16 (b) 22, 18, 20 (c) 30, 18, 15 (d) 23, 17, 15 (e) None of these
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Answer Key
1. (a) 2. (e) 3. (b) 4. (e) 5. (e) 6. (e) 7. (c) 8. (e) 9. (d) 10. (c) 11. (b) 12. (e) 13. (d) 14. (b) 15. (d)
16. (e) 17. (e) 18. (e) 19. (c) 20. (b) 21. (d) 22. (a) 23. (e) 24. (c) 25. (e) 26. (d) 27. (c) 28. (b) 29. (b)
30. (d) 31. (c) 32. (c) 33. (d) 34. (d) 35. (e) 36. (b) 37. (e) 38. (b) 39. (b) 40. (d) 41. (a) 42. (a) 43. (a)
44. (d) 45. (e) 46. (b) 47. (a) 48. (c) 49. (e) 50. (c) 51. (d) 52. (e) 53. (b) 54. (a) 55. (e) 56. (c) 57. (c)
58. (c) 59. (c) 60. (e) 61. (a) 62. (c) 63. (a) 64. (b) 65. (e) 66. (b) 67. (e) 68. (b) 69. (b) 70. (c) 71. (c)
72. (e) 73. (a) 74. (e) 75. (d) 76. (a) 77. (a) 78. (d) 79. (c) 80. (b) 81. (e) 82. (e) 83. (b) 84. (b) 85. (c)
86. (d) 87. (c) 88. (c) 89. (b) 90. (b) 91. (d) 92. (e) 93. (d) 94. (c) 95. (e) 96. (e) 97. (a) 98. (d) 99. (a)
100. (e) 101. (d) 102. (e) 103. (d) 104. (c) 105. (d) 106. (b) 107. (e) 108. (c) 109. (d) 110. (b) 111. (a)
112. (c) 113. (a) 114. (d) 115. (c) 116. (c) 117. (e) 118. (e) 119. (c) 120. (e) 121. (e)
Set 2
1. (a) 2. (a) 3. (d) 4. (e) 5. (c) 6. (a) 7. (d) 8. (c) 9. (a) 10. (d) 11. (b) 12. (d) 13. (c) 14. (c) 15. (a)
16. (b) 17. (e) 18. (d) 19. (b) 20. (a) 21. (b) 22. (a) 23. (c) 24. (a) 25. (d) 26. (e) 27. (c) 28. (a) 29. (b)
30. (e) 31. (c) 32. (b)
Set 3
1. (e) 2. (d) 3. (b) 4. (b) 5. (c) 6. (b) 7. (c) 8. (b) 9. (c) 10. (d) 11. (b) 12. (c) 13. (d) 14. (a) 15. (c)
16. (c) 17. (b) 18. (d) 19. (b) 20. (d) 21. (c) 22. (a) 23. (b) 24. (d) 25. (d) 26. (d) 27. (b) 28. (b) 29. (d)
30. (d) 31. (a) 32. (a) 33. (a) 34. (d) 35. (c) 36. (c) 37. (b) 38. (d) 39. (c) 40. (c) 41. (d) 42. (d) 43. (d)
44. (c) 45. (c) 46. (b) 47. (d) 48. (c) 49. (c) 50. (d) 51. (a) 52. (d) 53. (c) 54. (b) 55. (c) 56. (c) 57. (d)
58. (c) 59. (b) 60. (c) 61. (a) 62. (d) 63. (b) 64. (b) 65. (c) 66. (b) 67. (d) 68. (d) 69. (a) 70. (a) 71. (d)
72. (c) 73. (a) 74. (c) 75. (c) 76. (c) 77. (b) 78. (d) 79. (a) 80. (b) 81. (a) 82. (c) 83. (b) 84. (a) 85. (d)
86. (c) 87. (b) 88. (b) 89. (d) 90. (c) 91. (b) 92. (d) 93. (a) 94. (b)