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Click when ready... There are 25 multiple choice questions You have 2 minutes to finish each...

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Page 1: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

Click when ready...

Page 2: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

Click when ready...

Page 3: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

There are 25 multiple choice questions

You have 2 minutes to finish each question

There is no break in this round

A trial question will now follow

Page 4: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

Trial Question

(2402 + 2402) x 50 equals

A)120 100 B) 240 000

C) 480 400 D) 240 300

E) 240 200

Page 5: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

Get Ready To Start…

Page 6: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

1. Which of the following is an odd number?

A) 14 + 7

B) 34 + 5

C) 54 + 3

D) 74 + 2

E) 114 + 1

Page 7: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

2. Which of the following hexominoes is not a possible net for a cube?

A) B) C)

D) E)

Page 8: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

3. I write out the numbers from 1 up to thirty in words. If N denotes

the number of times I write the letter ‘n’, M denotes the number of times I write the letter ‘m’,

and C denotes the number of times I write the letter ‘c’, then N + M + C equals:

A) 31 B) 30 C) 29 D) 28 E) 27

Page 9: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

4. The value of is:

A) B)

C) D)

E)

1 1 1 11 1 1 1

2 3 4 5

1

120

11

120

14

30

175

60

3

Page 10: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

5. What is the probability that the next person you meet has an

above average (= mean) number of arms?

A) 0 B) Nearly 0

C) 0.5 D) Nearly 1

E) 1

Page 11: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

6. In this addition, different letters stand for

different digits, but each letter represents the same digit each time it appears. If the letter O stands for 7, what digit must U represent?

TWO

+TWO

FOUR

A) 1 B) 3 C) 5 D) 7 E) 9

Page 12: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

7. A square peg just fits in a round hole. What fraction of the hole is occupied by the peg?

A) B)

C) D)

E) None of these

2

π

π-1

22

π - 22

1-π

Page 13: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

8. The 12 digits in a credit card number are to be written in the boxes below. The sum of any three consecutive digits is 16.

The value of x is:

A) 3 B) 4 C) 5 D) 6 E) 7

9 x 4

Page 14: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

9. In the diagram, the triangle is equilateral.

The ratio of the area of the inscribed circle to the area of the

circumscribed circle is:

A) 1:6 B) 1:4 C) 1:2√3 D) 1:3 E) 1:2

Page 15: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

10. Which of the following integers has the smallest number of factors?

A) 26 B) 35 C) 44

D) 53 E) 62

Page 16: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

11. For the simultaneous equations

2x – 3y = 4 and 6y – 4x = 2:

A) x = 1, y = -2/3 B) x = 0, y = 0 C) x = 2, y = 5/3 D) There are infinitely many

solutions E) There is no solution

Page 17: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

12. The units digit of an exactcube:

A) Is never 0 B) Is never 2

C) Is never 3 D) Is never 9

E) Can be any digit 0 - 9

Page 18: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

13. What is the value of

A) √3 B) 3 C) 27

D) 81 E) 243

20160

7 6 5 4 3 3

Page 19: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

14. If h hens lay e eggs in d days, how many days would it take H hens to lay E eggs?

A) B)

C) D)

E)

Hde

Eh

EHd

he

Ehe

Hd

ehd

EH

Ehd

He

Page 20: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

15. On Saturdays I work in Pizza Shack. Employees get 40% off the price of

any meal. On Monday night, prices are reduced by 30% for all customers. And as a special promotion this

month, all prices have been cut by 25%. What is the most I can save

altogether if I go for a meal at Pizza Shack some time during this month?

A) 95% B) 68.5% C) 55% D) 40% E) 31.5%

Page 21: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

16. A sequence begins 1, 3, 4, 7, 11,…, each term is equal to the sum of the two previous terms. How many of

the following statements are true?

I The 20th term is divisible by 2

II The 30th term is divisible by 3

III The 40th term is divisible by 4

IV The 50th term is divisible by 5

A) 0 B) 1 C) 2 D) 3 E) 4

Page 22: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

17. An n by n by n cube is constructed from n3 unit cubes glued together, and the large cube is suspended in space. If I walk around the cube with one eye closed, what is the largest number of unit cubes I would ever be able to see at one time?

A) 3n2 – 3n + 1 B) 3n2 – 3n C) 3n2 – 1

D) 3n2 E) 3n2 – 9n +1

Page 23: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

18. A metal rod AB hangs vertically from a hinge at A, so that the end B just touches the horizontal ground 2 m from a vertical wall. While A stays fixed, the lower end B is pushed to one side until it touches the wall, 2 cm above the ground. How long is the rod (in m)?

A) 100 B) √3.9204 C) 100.01

D) 2 E) 100.005

Page 24: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

19. An equilateral triangle is initially completely black. First the middle quarter is painted white. Then the middle quarter of each of the three remaining black triangles is painted white and so on. What fraction of the triangle ultimately remains black?

A) 0 B) 1/4 C) 1/3 D) 1/2 E) 9/13

Page 25: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

20. In 1990, the Australian Government decided that Australia would plant one billion

(i.e. one thousand million) trees in the following decade. If one billion trees were planted

during the 10 years, on average, how many were planted per second?

A) 0.03 B) 0.3 C) 3 D) 30 E) 300

Page 26: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

21. Forty years ago Mike McNamara cycled 445.0 km in

12 hours. In the same time trial Beryl Burton completed 446.2 km. How much faster was Beryl’s average speed than Mike’s (in metres per hour)?

A) 1.2 B) 10 C) 11 D) 100 E) 1200

Page 27: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

22. What is the area of the triangle shown here?

A) 20 B) 20 + 3x

C) 80 D) 20x

E) It depends on x

20

x 2x

Page 28: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

23. Rectangle ABCD is made up of 6 squares. The areas of two of the squares are shown. The perimeter of rectangle ABCD in cm is:

A) 44 B) 46 C) 48 D) 50 E) 52

Page 29: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

24. The graph of x2 – y2 = 0 is:

A) a straight line

B) a parabola

C) a circle

D) a single point

E) two straight lines

Page 30: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

You now have 30 seconds left 10987654321STOP

25. If and what

is the value of ?

A) 2 B) 4

C) 8 D) 16

E) 32

1x y 3x y 2 2

2x y

Page 31: Click when ready...  There are 25 multiple choice questions  You have 2 minutes to finish each question  There is no break in this round  A trial.

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