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SPM 1998
1. Given the functions h(t ) + 2t 5t 2 andv(t ) + 2 6t
'ind(a)
the va%ue of h(t ) hen v(t ) + 11/(b) the va%ues of t so that h(t ) + v-1(2)(c) function hv
1. Given the functions f ( x) + " x 5 and
g ( x) + 2 x 3 , find
(a) f g -1( x)
(b) the va%ue of x so that gf (- x) + 25
SPM 1999
1. Given the function f : x → k – mx. 'ind (a) f -1() in te#$s of k and m [2 $a#*s]
(b) the va%ues of k and m, if f -1(14) + - 4and f (5) + -13 [4 $a#*s]
2. (a) 0he function g is defined as
g : x → x 3. Given the function
fg : x → x2 " x &. 'ind
(i) function f ( x)
(ii) the va%ue of k if f (2k ) + 5k [& $a#*s]
SPM 2000
1. Given the function g -1( x) +3
*5− and
f ( x) + 3 x2 – 5. 'ind(a) g ( x) [2 $a#*s]
(b) the va%ue of k hen g ( x2) + 2 f (- x)[3 $a#*s]
2. Given the function f : x → 4 – 3 x. (a) 'ind
(i) f 2( x)
(ii) ( f 2)-1( x)
(iii) ( f -1)2 [" $a#*s]
SPM 2001
1. Given the function f : x → ax b, a / and f 2 : x → 6 x –
'ind
(a) the va%ues of a and b [3 $a#*s](b) ( f -1)2( x) [3 $a#*s]
2. Given the function f -1( x) + -
1
−
−, x ! p
and g ( x) + 3 x. 'ind
(a) f ( x) [2 $a#*s]
(b) the va%ue of p if ff -1( p2 –1) + g [(2- p)2]
( c) #ane of va%ue of p so that fg -1( x) + x
no #ea% #oots
[5 $a#*s]
SPM 2002
1. Given the function f ( x) + 4 x -2 and g ( x) + 5 x 3. 'ind
(i) fg -1( x)
(ii) the va%ue of x so that fg -1(2
) +
5
2
[5 $a#*s]
2. (a) Given the function f : x →3 x 1, find
f
-1
(5) [2 $a#*s]
(b) Given the function f ( x) + 5-3 x and g ( x) + 2ax b, he#e a and b is a
constants. f fg ( x) + – 3 x, find the
va%ues of a and b[3 $a#*s]
2
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SPM 2006
Paper 1
1. n dia#a$ 1, set 7 shos the i$ae ofce#tain e%e$ents of set
>G@A 1
(a) ia#a$ shos the function x
xm xh
−→:
, /≠ x , he#e m is a constant
>G@A 2
'ind the va%ue of m
[2 $a#*s]
Paper 2
1. Given that 23: −→ x x f and
15
: +→ x
x g , find
(a) )(1
x f −
[1 $](b) )(
1 x g f − [2 $]
( c) )( xh such that "2)( += x xhg [3 $]
SPM 2007
Paper 1
1. >ia#a$ 1 shos the %inea#
function h.
(a)
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3. 0he fo%%oin info#$ation is about the
function h and the co$osite function2h
'ind the va%ue of a and b[3$]
SPM 2008
Paper 1
1. >ia#a$ 1 shos the #ah of thefunction 12)( −= x x f , fo# the
do$ain 5/ ≤≤ x .
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SPM 1994
1. f α and β a#e the #oots of the Cuad#aticeCuation 2 x2 – 3 x – " + /, fo#$ anothe#
Cuad#atic eCuation ith #oots3
β and
3
α
[4 $a#*s]
SPM 1995
1. Dne of the #oots of the eCuation
x2 px 12 + / is one thi#d of the othe#
#oot. 'ind the ossib%e va%ues of p.[5 $a#*s]
2. Given that2
1and -5 a#e the #oots of the
Cuad#atic eCuation. E#ite a Cuad#aticeCuation in a fo#$ ax2 bx c + /
[2 $a#*s]
3. 'ind the #ane of va%ue of k if the
eCuation /322 =−++ k kx x has no #ea% #oots
[3 $a#*s]
4. 8#ove that the #oots of the eCuation
(1 – p) x2 x p + / has a #ea% and
neative #oots if / F p F 1 [5 $a#*s]
SPM 1996
1. Given that a and b a#e the #oots of the
eCuation x2 – (a b) x ab + /.f m and n a#e the #oots of the eCuation
(2 x – 3)( x 4) k + / and m + 4n, find
the va%ue of k
[5 $a#*s]
2. 'ind the va%ues of so that
(3 – ) x2
– 2( 1) x 1 + / has toeCua% #ea% #oots.
[2 $a#*s]
SPM 1997
1. Given that m 2 and n - 1 a#e the #oots
of the eCuation x2 5 x + -4. 'ind the ossib%e va%ue of m and n.
SPM 1998
1. 0he eCuation of px2 px 3q + 1 2 x
have the #oots p
1and C
(a) 'ind the va%ue of p and q
(b) Het, b usin the va%ue of p and q in (a)
fo#$ the Cuad#atic eCuation ith #oots p and -2q
SPM 1999
1. Dne of the #oots of the eCuation 2 x2 6x + 2k - 1 is doub%e of the othe#
#oot, he#e k is a constant. 'ind the #ootsand the ossib%e va%ues of k.
[4 $a#*s]
2. Given the eCuation x2 – " x & + h(2 x – 3)
have to eCua% #ea% #oots. 'ind the va%ues
of h.[4 $a#*s]
3. Given that α and β a#e the #oots of theeCuation x2 – 2 x k + /, hi%e 2I and 2J
a#e the #oots of the eCuation x2 mx 6+/.
'ind the ossib%e va%ues of k and m.
[" $a#*s]
SPM 2000
"
CHAPTER 2: QUADRATIC EQUATIONS
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1. 0he eCuation 2 x2 px q + / has the
#oots -" and 3. 'ind
(a) the va%ues of p and q [3 $a#*s] (b) the #ane of va%ues of k if the
KCuation 2 x2 px q + k has no #ea%
#oots [2 $a#*s]
SPM 2001
1. Given that 2 and m a#e the #oots of theeCuation (2 x -1)( x 3) + k ( x – 1), he#e k
is a constant.
'ind the va%ues of m and k [4 $a#*s]
2. f α and β a#e the #oots of the Cuad#atic
eCuation /132 2 =−+ x x , fo#$ anothe#Cuad#atic eCuation ith #oots
3I 2 and 3J 2.[5 $a#*s]
SPM 2002
1. Given the eCuation x2 3 + k ( x 1) has
the #oots p and q, he#e k is a constant,
find the #ane of va%ue of k if the eCuation has to diffe#ent #ea% #oots.
[5 $a#*s]
2. Given that2
α and
2
β a#e the #oots of the
eCuation kx( x – 1) + 2m – x.
f α β + " and αβ ! 3, find the va%uesof k and m.
[5 $a#*s]
SPM 20031.
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1. 9uad#atic function f ( x) + 2[( x – m)2 n],
ith m and n a#e constants, have a$ini$u$ oint ("t ,3t 2).
(a) state the va%ue of m and n in te#$s of t
(b) if t + 1, find the #ane of va%ue of k sothat the eCuation f ( x) + k has a distinct
#oots
2. 'ind the #ane of va%ues of x if
(a) 2(3 x2 – x) M 1 – x
(b) 4 y – 1 + 5 x and 2 y 3 x
3. Given that y + x2 2kx 3k has a
$ini$u$ va%ue 2.
(a) Eithout usin diffe#entiation $ethod,
find to ossib%e va%ue of k .(b) 7 usin the va%ue of k , s*etch the
#ah y + x2 2kx 3k in the sa$eais
(c)
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c) the eCuation of the ais of
s$$et# [3 $]
SPM 2006
1. >ia#a$ 3 shos the #ah of Cuad#atic
function )( x f y = . 0he st#aiht %ine4−= y is a tanent to the cu#ve )( x f y =
a) #ite theeCuation
of the
ais of
s$$et# of the cu#ve
b) e#ess )( x f in the fo#$
cb x ++ 2)( , he#e b and c a#econstants.
[3 $a#*s]
3. 'ind the #ane of the va%ues of x fo# x x x +>+− 4)4)(12(
[2 $a#*s]
SPM 2007(paper 1)
1. 'ind the #ane of va%ues of x fo#
hich x x +≤12 2
[3 $a#*s]
2. 0he Cuad#atic function
42)( 2 −+= x x x f can be e#essed
in the fo#$ nm x x f −+= 2)()( ,he#e m and n a#e constants.
'ind the va%ue of m and of n[3 $a#*s]
nse# m+PPPP.. n+PPPP..
SPM 2008 (paper 1)
1. 0he Cuad#atic function
r q x p x f ++= 2)()( , he#e p, q and r a#e constants, has a $ini$u$ va%ue of
-4. 0he eCuation of the ais of s$$et#is x + 3
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SPM 1993
1. ia#a$ 2 shos the net of an oened bo ith cuboids shae. f e#i$ete# of
the net bo is 4 c$ and the tota% su#facea#ea is 135 c$3, La%cu%ate the ossib%e
va%ues of v and w.
SPM 1999
12
1 $
1 $ 1$
1 $
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1. Given the cu#ve y2 + (1 – x) and the
st#aiht %ine x
y+ 4. Eithout d#ain the
#ah, ca%cu%ate the coo#dinates of the
inte#section fo# the cu#ve and the st#aiht
%ine.2.
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1.
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2. (a) f h + %o m 2 and k + %o m 3, state in
te#$s of h and Oo# k
(i) %o m 6
(ii) %o " 24
(b)
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2 %o 3 ( x y) + 2 %o 3 x %o 3 y,
sho that x 2 y 2 + & xy
(b) Eithout usin scientific ca%cu%ato# o#
fou#-fiu#e $athe$atica% tab%es, so%ve
the eCuation%o 6 [%o 3 (4 x – 5)] + %o 4 2
(c ) fte# n ea# a ca# as bouht the
#ice of the ca# is @A "/ ///n
&.
La%cu%ate afte# ho $an ea#s i%%the ca# cost %ess than @A 2/ /// fo#
the fi#st ti$e
SPM 1998
1. Given that %o x 4 + $ and %o y 5 + y
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1. (a) Given that %o 35 + k . f 5 12 −λ + 15,
'ind λ in te#$s of k
(b)
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SPM 1993
1. 34$ti3ns t3 this q$esti3n by sca4e
drawing wi44 n3t be accepted8oint 5 and oint have a coo#dinate of
(4,1) and (2, 4). 0he st#aiht %ine * is
e#endicu%a# to 5 cuttin -ais at oint *. 'ind
(a) the #adient of 5
(b) the eCuation of st#aiht %ine *( c) the coo#dinates of *
SPM 1993
1. '#o$ the above dia#a$, oint & (1, /)and oint (-2, /) a#e the to fied oints.
8oint 5 $oves such that 5& : 5 + 1:2
(a) have acoo#dinates (2, 2), (5, 3), (4, -1) and (, C)
#esective%. Given that 7L> is a
a#a%%e%o#a$, find(a) the va%ue of and C
(b) a#ea of 7L>
SPM 1993
2. 0he above dia#a$ sho, a
a#a%%e%o#a$ &' .(a) 'ind the va%ue of . Nence
#ite don the eCuation of
& in the fo#$ ofinte#cets
(b) ' is etended to oint 5
so that divides the %ine '5 in the #atio 2 : 3. 'ind
the coo#dinates of 5
SPM 1994
2. (a)0he above dia#a$, 8, 9 and @a#e th#ee oints a#e on a %ine
42 =− x y he#e 89 : 9@ + 1:4 'ind
(i) the coo#dinates of oint 8(ii) the eCuation of st#aiht
%ine assin th#ouh the
oint 9 and e#endicu%a# ith 8@
(iii) the coo#dinates of oint @
(b) oint < $oves such that its distance
1
CHAPTER !: COORDINATE EOMETR"
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SPM 1997
1. n the dia#a$, 7 and 7L a#e tost#aiht %ines that e#endicu%a# to each
othe# at oint 7. 8oint and oint 7 %ie on
x-ais and y-ais #esective%. Given the
eCuation of the st#aiht %ine 7 is
/623 =−+ x y (a) 'ind the eCuation of 7L [3$](b) f L7 is #oduced, it i%% inte#sect the x-
ais at oint @ he#e @7 + 7L. 'ind the
coo#dinates of oint L [3$]
2. 0he dia#a$ shos the st#aiht %ine
#ahs of 89< and 9@0 on the La#tesian
%ane. 8oint 8 and oint < %ie on the x-ais
and y-ais #esective%. 9 is the $idoint of8<
(a) 'ind
(i) the coo#dinates of oint 9 (ii) the a#ea of Cuad#i%ate#a% D89@
[4$]
(b)Given 9@:@0 + 1:3, ca%cu%ate thecoo#dinates of oint 0
(c) oint $ove such that its distance
f#o$ oint < is2
1 of its distance f#o$
oint 0.
(i) 'ind the eCuation of the
%ocus of the oint(ii) Nence, dete#$ine hethe#
the %ocus inte#sects the
x-ais o# not
SPM 1998
1. n the dia#a$, L> and 7LK a#e st#aiht
%ines. Given L is the $idoint of >, and
7L : LK + 1:4'ind
(a) the coo#dinates of oint L
(b) the coo#dinates of oint K
(c ) the coo#dinates of the oint ofinte#section beteen %ines 7 and K>
#oduced
[3$]2. 8oint 8 $ove such that distance f#o$
oint 9(/, 1) is the sa$e as its distance
f#o$ oint @(3, /). 8oint < $ove so thatits distance f#o$ oint 0(3, 2) is 3 units.
Socus of the oint 8 and < inte#sects at
to oints.
(a) 'ind the eCuation of the %ocus of 8
(b)
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2. 0he dia#a$ shos a t#aeTiu$ #"+,.
Given the eCuation of #" is /123 =−− x y'ind
(a) the va%ue of k [3$]
(b) the eCuation of #, and hence, find
the coo#dinates of oint # [5$](c) the %ocus of oint 5 such that t#ian%e
"5, is a%as e#endicu%a# at 5
[2$]
SPM 2001
1. Given the oints 5 (, /) and (/, -"). 0he
e#endicu%a# bisecto# of 5 inte#sects the
aes at # and ".'ind
(a) the eCuation of #" [3$]
(b) the a#ea of #7"∆ , he#e 7 is theo#iin. [2$]
2. 34$ti3ns t3 this q$esti3n by sca4edrawing wi44 n3t be accepted.
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SPM 2002
1. 0he dia#a$ shos a t#ian%e 7L ith
an a#ea 1 units2 . the eCuation of thest#aiht %ine +" is ./1 =+− x y 8oint , %ies on the x-ais and divides the st#aiht
%ine +" in the #atio m : n. 'ind(a) the coo#dinates of oint "
(b) m : n
2. #(1, 3), " and + a#e th#ee oints on the
st#aiht %ine 12 += x y . 0his st#aiht %ineis tanent to cu#ve /252 =++ p y x at oint ". Given " divides the st#aiht %ines #+ in the #atio 1 : 2.
'ind
(a) the va%ue of p [3$](b) the coo#dinates of oints " and +
[4$]
(c) the eCuation of the st#aiht %ine that asses th#ouh oint " and is
e#endicu%a# to the st#aiht %ine #+
[3$]
3. Given #(-1, -2) and "(2, 1) a#e to fied
oints. 8oint 5 $oves such that the #atioof #5 and 5" is 1 : 2.
(a)
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>ia#a$ 1
La%cu%ate the va%ues of p and q
[4$]
P2#$%&'ion ()
1. s34$ti3ns t3 this q$esti3n by sca4e
drawing wi44 n3t accepted. oint 5 $oves a%on the a#c of a
ci#c%e ith cent#e #(2, 3). 0he a#c asses th#ouh (-2, /) and *(5, k ).
(a) 'ind
(i) the eCuation of the %ocus of the oint 5
(ii) the va%ues of k
["$]
(b) 0he tanent to the ci#c%e at oint
inte#sects the -ais at oint .'ind the a#ea of t#ian%e 7 [4$]
SPM 2004(P1)
1. >ia#a$ 3 shos a st#aiht %ine #ah of
x
y aainst x
Given that2" x x y −= , ca%cu%ate the va%ue
of k and of h [3$]
2. >ia#a$ 4 shos a st#aiht %ine 89 ith
the eCuation 132=+ y x
. 0he oint 8 %ies
on the x-ais and the oint %ies on the y-ais
'ind the eCuationof the st#aiht %ine e#endicu%a# to 5 and
assin th#ouh the oint
[3$]
3. 0he oint # is (-1, 3) and the oint " is
(4, "). 0he oint 5 $oves such that
5# : 5" + 2 : 3.'ind the eCuation of the %ocus of 5
[3$]
P2#$%&'ion A)
4. >i#a$ 1 shos a st#aiht %ine +,hich $eets a st#aiht %ine #" at the
oint , . 0he oint + %ies on the y-ais
24
x
y
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(a) #ite don the eCuation of #" in the
fo#$ of inte#cets [1$](b) Given that 2 #, + ,", find the
coo#dinates of , [2$]
(c) Given that +, is e#endicu%a# to
#", find the -inte#cets of +,[3$]
SPM 2005(P1)
1. 0he fo%%oin info#$ation #efe#s to the
eCuations of to st#aiht %ines, %& and
* , hich a#e e#endicu%a# to eachothe#.
K#ess p in te#$s of k [2$]
P2#$%&'ion ()
2. 34$ti3ns t3 this q$esti3n by sca4e
drawing wi44 n3t accepted.
(a) 'ind
(i) the eCuation of thest#aiht %ine #"
(ii) the coo#dinates of "[5$]
(b) 0he st#aiht %ine #" is etended to a
oint , such that #" : ", + 2 : 3'ind the coo#dinates of ,
[2$]
(c) oint 5 $oves such that its
distance f#o$ oint # is a%as 5units.
'ind the eCuation of the %ocus of 5
[3$]
SPM 2006(P1)
1. >ia#a$ 5 shos the st#aiht %ine #"
hich is e#endicu%a# to the st#aiht %ine+" at the oint "
0he eCuation of the st#aiht %ine +" is12 −= x y
'ind the coo#dinates of "
[3 $a#*s]
25
%& : k px y +=
* : p xk y +−= )2(
he#e p and k a#e constant
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P2#$%&'ion ()
1. 34$ti3ns t3 this q$esti3n by sca4e
drawing wi44 n3t be accepted
>ia#a$ 3 shos the t#ian%e D7 he#e D
is the o#iin. 8oint L %ies on the st#aiht %ine7
(a) La%cu%ate the a#ea, in unit2, of
t#ian%e D7
(b) Given that L:L7 + 3:2, find thecoo#dinates of L
(c) oint 8 $oves such that its
distance f#o$ oint is a%astice its distance f#o$ oint 7
(i) 'ind the eCuation of the %ocus
of 8(ii) Nence, dete#$ine hethe# o#
not this %ocus inte#cets the
-ais
SPM 2007
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1. >ia#a$ 13 shos a st#aiht %ine assin
th#ouh (3,/) and (/,4)
>ia#a$ 13
(a) E#ite don the eCuation of the
st#aiht %ine in the fo#$
1=+
b
y
a
x
(b) oint 8( x, y) $oves such that
5 + 5 . 'ind the eCuation of the%ocus of 5 [4 $]
2. 0he oints (/,3), (2,t ) and (-2,-1) a#e theve#tices of a t#ian%e. Given that the a#ea
of the t#ian%e is 4 unit2, find the va%ues
of t .[3 $]
SPM 2008 ia#a$ shos a t#ian%e 75. 8oint
%ies on the %ine 5.
(a) oint 9 $oves such that its
distance f#o$ oint is a%as
2
12
units. 'ind the eCuation of the %ocus
of 9 [3$](b) t is iven that oint 5 and oint
%ie on the %ocus of 9 . La%cu%ate
(i) the va%ue of k ,(ii) the coo#dinates of
[5$]
(c) Nence, find the a#ea, in unit2, oft#ian%e 75 [2$]
2&
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SPM 1993
1. 0he $ean fo# the nu$be#s ", 2, ", 2, 2,
1/, x, y is 5
(a) sho that 12=+ y x
(b) hence, find the $ode fo# the nu$be#s
hen
(i) y x =
(ii) y x ≠
(c) if standa#d deviation is 3&2
1, find
the va%ues of x
2. 0he be%o tab%e shos the $a#*s
obtained b a #ou of students in a $onth%test .
Aa#*s 1-2/ 21-4/ 41-"/ "1-/ 1-1//
Hu$be#
students
5 12 11 4
(a) Dn a #ah ae#, d#a a histo#a$
and use it to esti$ate the $oda% $a#*(b) 7 ca%cu%atin the cu$u%ative
f#eCuenc, find the $edian $a#*,
ithout d#ain an oive(c) La%cu%ate the $ean $a#*
SPM 1994
1. 0he be%o tab%e shos the $a#*s
obtained b a #ou of students in a $onth%test .
Aa#*s 1 2 3 4 5
Hu$be#
of
students
4 " 2 x 1
2
CHAPTER *: STATISTICS
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'ind
(a) the $ai$u$ va%ue of x if $oda%
$a#* is 2(b) the $ini$u$ va%ue of x if $ean
$a#* $o#e than 3
(c) the #ane of va%ue of x if $edian$a#* is 2
2.
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nu$be#s
'#eCuenc 1 3 1 2 2 1
(a) e#ess $edian fo# the set nu$be# inte#$s of m
(b) 'ind the ossib%e va%ues f m(c) 7 usin the va%ues of m f#o$ (b),
find the ossib%e va%ues of $ode
2. (a) 0he fo%%oin data shos the nu$be#
of ins *noc*ed don b to %ae#s
in a #e%i$ina# #ound of bo%inco$etition.
8%ae# : , 6, , 6, , "
8%ae# 7: &, , , 6, &, 6Bsin the $ean and the standa#d
deviation, dete#$ine the bette# %ae#
to #e#esent the state based on thei#
consistenc[3$]
(b) $se a graph paper t3 answer this
q$esti3n0he data in the tab%e shos the
$onth% sa%a# of 1// o#*e#s in a
co$an.
(i) 7ased on the data, d#aan oive to sho
dist#ibution of the
o#*e#sU $onth% sa%a#(ii) '#o$ ou# #ah,
esti$ate the nu$be# of
o#*e#s ho ea#n $o#ethan @A 3 2//
SPM 1998
1. 0he $ean of the data 2, k , 3k , , 12 and
1 hich has been a##aned in anascendin o#de#, is m. f each e%e$ent of
the data is #educed b 2, the ne $edian
is5m .
'ind
(a) the va%ues of m and k [4$]
(b) the va#iance of the ne data [2$]
2.
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"/-&6 14
/-66 5
(a) 7 usin a #ah ae#, d#a a
histo#a$ and esti$ate the $oda%
$a#* [4$](b) Eithout d#ain an oive, ca%cu%ate
the $edian $a#* [3$](c) 'ind the $ean $a#* [3$]
SPM 2000
1. 0he tab%e shos the #esu%ts 1// students
in a test
(a) 7ased on the tab%e above, coco$%ete the tab%e be%o
[2$]
(b) Eithout d#ain an oive, esti$atethe inte#Cua#ti%e #ane of this
dist#ibution.
[4$]
2. 0he tab%e shos the dist#ibution of $a#*s
in a hsics test ta*en b 12/ ui%s.
La%cu%ate
(a) the $ean [4$]
(b) the $edian [3$](c) the standa#d deviation [3$]
of the dist#ibution
SPM 2001
0. (a) Given that fou# ositive intee#s
have a $ean of 6.Ehen a nu$be#
y is added to these fou# intee#s,
the $ean beco$es 1/. 'ind theva%ue of y
[2$] (b) 'ind the standa#d deviation of the
set of nu$be#s be%o:
5, ", ", 4, &
[3$]
2. 0he tab%e shos the f#eCuenc
dist#ibution of the $a#*s obtained b 1// ui%s
Mar+$ N-m/%r o0 -i$
"-1/ 12
11-15 2/
1"-2/ 2&
21-25 1"
2"-3/ 13
31-35 1/
3"-4/ 2(i) La%cu%ate the va#iance [3$]
(ii) Lonst#uct a cu$u%ative f#eCuenc tab%e
and d#a an oive to sho the
dist#ibution of thei# $a#*s. '#o$ theoive, find the e#centae of ui%s hosco#ed beteen " to 24.
[&$]
SPM 2002
1. 0he tab%e shos the dist#ibution of sco#es
obtained b 6 ui%s in a co$etition. 0he
sco#es a#e a##aned in an ascendin o#de#.Given the $ean sco#e is and the thi#d
Cua#ti%e is 11.
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nu$be# of ui%s in a CuiT. 0he nu$be# of
ui%s is 4/. 7 d#ain an oive, find
7 d#ain an oive, find
(a) 0he $edian(b) 0he e#centae of ece%%ent ui%s if
the sco#e fo# the ece%%ent cateo# is
31.5
SPM 2003,p2 $%&'ion A
1. set of ea$ination $a#*s
"54321 ,,,,, x x x x x x has a $ean of 5 and a
standa#d deviation of 1.5(a) 'ind
(i) the su$ of the $a#*s,
x∑
(ii) the su$ of the sCua#es
of the $a#*s, 2 x∑
[3$]
(b) Kach $a#* is $u%ti%ied b 2 and
then is added to it.'ind, fo# the ne set of $a#*s,
(i) the $ean
(ii) the va#iance
[4$]
SPM 2004,p2 $%&'ion A
1. set of data consist of 1/ nu$be#s. the
su$ of the nu$be# is 15/ and the su$ of the
sCua#es of the data is 2 4&2.(a) 'ind the $ean and va#iance of the 1/
nu$be#s [3]
(b) nothe# nu$be# is added to the setof data and the $ean is inc#eased b
1
'ind
(i) the va%ue of this nu$be# (ii) the standa#d deviation of the set
11 nu$be#s
[4 $a#*s]
SPM 2005,
paper 1
1. 0he $ean of fou# nu$be#s is m . 0he
su$ of the sCua#es of the nu$be#s is 1//
and the standa#d deviation is 3k K#ess m in te#$s of k [3]
paper 2,section A
1. >ia#a$ 2 is a histo#a$ hich
#e#esents the dist#ibution of the $a#*s
obtained b 4/ ui%s in a test.
(a) Eithout usin an oive, ca%cu%ate the
$edian $a#* [3$]
(b) La%cu%ate the standa#d deviation of the
dist#ibution [4$]
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Paper 1
1. set of data consists of five nu$be#s.0he su$ of the nu$be#s is "/ and the su$
of the sCua#es of the nu$be#s is //
'ind fo# the five nu$be#s
(a) the $ean
(b) the standa#d deviation[3 $]
SPM 2008(Paper 1)
1. set of seven nu$be#s has a $ean of 6
(a) 'ind x∑
(b) Ehen a nu$be# k is added to this
set, the ne $ean is .5[3$]
SPM 2008(Paper 2)
1. 0ab%e 5 shos the $a#*s obtained b 4/
candidates in a test.
Given that the $edian $a#* is 35.5, find the
va%ue of x and of y. Nence, state the $oda%c%ass
["$]
SPM 1993
1. 0he dia#a$ shos to a#cs, 5 and *,
of to ci#c%es ith cent#e 7 and ith #adii
7 and 7* #esective%. Given the #atio7 :* + 3:1, 'ind
(a) the an%eθ
in #adian(b) the a#ea of the shaded #eion 5* ["$]
SPM 1994
1.
0he dia#a$ shos a se$ici#c%e ith
cent#e 7 and dia$ete# #7+ . 'ind theva%ue of the an%e θ (in de#ees and
$inutes) so that the %enth of a#c of the
ci#c%e #" sa$e ith the tota% of dia$ete#
#7+ and %enth of a#c of the ci#c%e "+
34
CHAPTER : CIRCULAR MEASU
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[5$]
2.
0he dia#a$ shos, D7 is a se$ici#c%eith cent#e > and K7 is a %enth of a#c of
the secto# ith cent#e L. 0he eCuation of 7
is 1"12=+
y x
La%cu%ate
(a) the a#ea of #"+ ∆(b) #+"∠ in #adians(c) the a#ea of the shaded #eion
SPM 1997
1. (a) Lonve#t
(i) "4/2/X into #adians(ii) 4.3" #adians into
de#ees
[2$](b)
0he dia#a$ shos to secto#s75 and 7* of to concent#ic
ci#c%e ith cent#e D. Givenθ =∠756 #ad, the %enth of a#c 5
is tice the %enth of #adius 7, and
the %enth of #adius 7 +"
'ind(i) the va%ue of θ
(ii) the e#i$ete# of the shaded
#eion
[4$]2.
0he dia#a$ sho se$ici#c%e 89@
ith cent#e D and secto# 9
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0he dia#a$ shos a secto# '%& ith
cent#e ' and to secto#s 5%' and ', ofto ci#c%es ith cent#e 5 and #esective%.
Given the an%e of $a=o# Y ' is 3." #adians.
'ind (a) the #adius of secto# '%&
[2$](b) the e#i$ete# of the shaded
#eion [2$]
(c) the a#ea of secto# 5%' [2$]
(d) the a#ea of the shaded #eion[4$]
SPM 1999
1.
0he dia#a$ shos the osition of a si$%e endu%u$ that sins f#o$ 5 to . f the
an%e 57 is / and the %enth of a#c 5 is
14.4 c$, find(a) the %enth of 7 [3$]
(b) the a#ea of #eion set b the
endu%u$[2$]
2.
0he dia#a$ shos a t#aditiona% Aa%a *ite,
au bu%an, that has an ais of s$$et# 7*.
Given that #5" is an a#c of a ci#c%e ithcent#e 7 and #adius 25 c$. #" is a
se$ici#c%e ith cent#e H and dia$ete# 3/
c$. is an a#c of ci#c%e ith cent#e * and#adius 1/ c$. Given that the %enth of a#c
,+ is 1.&5 c$.
La%cu%ate(a) #7"∠(b) the a#ea of se$ent #;"
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(b) the an%e θ in #adians [3$]
(c) the a#ea of secto# #-+ [2$]
(d) the a#ea of the shaded #eion[4$]
SPM 20011.
0he dia#a$ shos a secto#, 75* of a
ci#c%e ith cent#e 7 and #adius 5 c$. Given
the %enth of a#c 5* is &." c$, find(a) 57*∠ in #adians
[2$]
(b) the a#ea of the shaded #eion[4$]
2.
0he dia#a$ shos a ci#c%e, ", ith
cent#e 7 and #adius " c$. &7 is an a#c of a
ci#c%e ith cent#e . Given #" is a#a%%e% to
&, #" + " c$ and &7)∠ + 12//
(a) 'ind #7"∠ [1$](b) La%cu%ate the a#ea of se$ent 70
[4$]
(c)
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n the dia#a$, #"+, is a #ectan%e and
7#-, is a secto# of a ci#c%e ith cent#e 7
and #adius " c$. Given 7 is the $idoint of #+ .La%cu%ate
(a) #7,∠ in #adians
[2$](b) the e#i$ete# of the shaded
#eion [4$]
( c) the a#ea of the shaded #eion[4$]
SPM 2003
a%r 1
1 >ia#a$ 1 shos a secto# *7
ith cent#e 7
>ia#a$ 1
0he %enth of the a#c * is &.24 c$ and the e#i$ete# of
the secto# *7 is 25 c$. 'ind the va%ue of θ in #ad
[3$]
a%r 2#$%&'ion A)
1. >ia#a$ 1 shos the secto# 57, cent#e
7 ith #adius 1/ c$ 0he oint * on 75 is such that
7* : 75 + 3 : 5
>ia#a$ 1
La%cu%ate(a) the va%ue of θ , in #ad,
[3$]
(b) the a#ea of the shaded #eion , inc$2. [4$]
SPM 2004 a%r 11. >ia#a$ 1 shos a ci#c%e ith cent#e 7
Given that the %enth of the $a=o# a#c #" is
45.51 c$, find the %enth, in c$, of the
#adius.(use π + 3.142)
[3$]
a%r 2#$%&'ion ()
1. >ia#a$ 4 shos a ci#c%e 5* , cent#e 7 and #adius 5 c$. %& is a tanent to the
ci#c%e at . 0he st#aiht %ines, %7 and &7,
inte#sect the ci#c%e at 5 and *
#esective%. 75* is a #ho$bus. %& is
36
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an
a#c of
a
ci#c%e, cent#e 7 La%cu%ate
(a) the an%e α , in te#$s of π
[2$]
(b) the %enth, in c$, of the a#c %&[4$]
(c) the a#ea, in c$2, of the shaded #eion
[4$]
SPM 2005
a%r 1
1. >ia#a$ 1 shos a ci#c%e ith cent#e 7
0he %enth of the $ino# a#c #" is 1" c$ andthe an%e of the $a=o# secto# #7" is 26// .
Bsin π + 3.142, find
(a) the va%ue of θ , in #adians,
(Give ou# anse# co##ect to fou#sinificant fiu#es)
(b) the %enth, in c$, of the #adius of the
ci#c%e [3$]
a%r2 #$%&'ion ()
1. >ia#a$ 1 shos a secto# 57 of aci#c%e, cent#e 7. 0he oint %ies on 75 ,
the oint 7 %ies on 7 and #" is
e#endicu%a# to 7.
0he %enth of 7# + c$ and
"
π =∠ 576 #adian
t is iven that 7# : 75 + 4 : &(Bse 142.3=π )La%cu%ate
(a) the %enth, in c$, of #5
(b) the e#i$ete#, in c$, of the shaded#eion,
(c) the a#ea, in c$2, of the shaded #eion
SPM 2006
a%r 1
1. >ia#a$ & shos secto# 7#" ith
cent#e D and secto# #=> ith cent#e a
>ia#a$ &
Given that D7 + 1/ c$, Z + 4 c$,
1.1=∠ =#> #adians and the %enthsof
a#c 7 + & c$, ca%cu%ate(c) the va%ue of θ in #adian
(d) the a#ea in c$2, of the shaded
#eion
4/
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SPM 266* a%r 2
1. >ia#a$ 4 shos a ci#c%e, cent#e D and#adius 1/ c$ insc#ibed in a secto# 87
of a ci#c%e, cent#e 8. 0he st#aiht %ines,
8 and 87, a#e tanents to the ci#c%e at oint 9 and oint @, #esective%.
[use ]142.3=π
La%cu%ate
(a) the %enth, in c$, of the a#c 7
[5 $]
(b) the a#ea in c$ 2 , of shaded #eion
[5 $]
SPM 266 a%r 1
1. >ia#a$ 1 shos a ci#c%e ith cent#e 7
and #adius 1/ c$.
Given that 5 , and * a#e oints
such that 75 + 5 and ∠ 75* + 6//,
[Bse ]142.3=π 'ind
(a) ∠ 7*, in #adians (b) the a#ea, in c$2 of the co%ou#ed
@eion
[4$]
SPM 266 a%r 21. >ia#a$ shos to ci#c%es. 0he
%a#e# ci#c%e has cent#e = and #adius 12
c$. 0he s$a%%e# ci#c%e has cent#e > and
#adius c$. 0he ci#c%e touch at oint *.0he st#aiht %ine 5 is a co$$on
tanent to the ci#c%e at oint 5 and oint
.
42
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[use ]142.3=π Given that θ =∠ 5=* #adian,(a) sho that 3&.1=θ (to to
deci$a% %aces) [2$]
(b) ca%cu%ate the %enth, in c$ of the
$ino# a#c * [3$](c) ca%cu%ate the a#ea, in c$2, of the
co%o#ed #eion. [5$]
SPM 1993
1 Given that34
21)(
2
−−= x
x x f , find f X( x)
SPM 1994
1. (a) Given that 53 2 += x y , finddx
dy
usin
the fi#st #inci%e
(c) 'ind
+121
xdx
d
2. Given4
1"
x y = , find
dx
dy if 2= x . Nence,
esti$ate the va%ue of( ) 46.1
1"
SPM 1995
1. Given1
21)(
3
−−
= x
x x f find f ? ( x)
2. Given )3( x x y −= , e#ess
43
CHAPTER 7: DIFFERENTATIO
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(b) La%cu%ate the va%ue of x so that
the a#ea of the shaded #eion is a
$ini$u$
[5$]
SPM 1998
1. Given that ,)12(4)( 5−= x x x f find)(
X x f
2.
0he dia#a$ shos a ooden b%oc*
consistin of a cone on to of a c%inde#
ith #adius of x c$. Given the s%ant heihtof the cone is 2 x c$. and the vo%u$e of the
c%inde# is 24π c$ 3
a) 8#ove that the tota% su#face a#ea of the b%oc*, c$ 2 , is iven b
+
+ x
x 1"
3 2π [3$]
b)La%cu%ate the $ini$u$ su#face a#ea of the
b%oc* [3$]
c) Given the su#face a#ea of the b%oc*
chanes at a #ate of 42π c$ 2 s 1− . 'ind
the
of chane of its #adius hen its #adius is
4 c$. [2$]
d) Given the #adius of the c%inde# inc#eases
f#o$ 4 c$ to 4.//3 c$. find thea#oi$ate inc#ease in the su#face a#ea
of the b%oc* [2$]
SPM 1999
1. Given( ) x
x x f
31
2)(
52
−−
= , find
)/(X f [4$]
2. Given 22t t y −= and 14 += t x
(a)'inddx
dy, in te#$s of x
(b) f x inc#eases f#o$ 3 to 3./1,
find the co##esondin s$a%%inc#ease in t . [2$]
3 (a)
0he dia#a$ shos a bo ith a unifo#$
c#oss section #"+,- .Given #" + -, + (3/-" x)
c$, "+ + 3 x c$, +,+ 4 x and # + 2 c$
(i)
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(b) the va%ue of that $a*es
/ a $ai$u$
(c) the $ai$u$ va%ue of /
3 (b) iece of i#e "/ c$ %on is bent to
fo#$ a ci#c%e. hen the i#e is heated,its %enth inc#eases at a #ate of /.1 c$ s1− (use 142.3=π )(i) La%cu%ate the #ate of chane
in the #adius of the ci#c%e
(ii) Nence, ca%cu%ate the #adius of the ci#c%e afte# 4 second
SPM 2000
0. >iffe#entiate the fo%%oin e#essionsith #esect to x
(a)4
31 x+ [2$]
(b)3
524 ++ x
x[2$]
2. Given "43 2 +−= x x y . Ehen 5= x , x inc#eases b 2. 'ind theco##esondin #ate of chane of y.
1. 'ind the eCuation of the tanent to
the cu#ve r x y += 22 at the ointk x = . f the tanent asses th#ouh
the oint (1,/), find r in te#$s of k
4.(a) 0he st#aiht %ine k x y =+4 is theno#$a% to the cu#ve ( ) 312 2 −−= x y at oint #.
'ind
(i) the coo#dinates of oint # and the
va%ue of k
(ii) the eCuation of the tanent at oint #
4.(b) 0he dia#a$ shos a to in
the shae of a se$ici#c%e ith cent#e
7. >ia$ete# #" can be ad=usted so that
oint + hich %ies on theci#cu$fe#ence can $ove such that
#+ +" + 4/ c$. Given that #+ + x
c$ and the a#ea of t#ian%e #"+ is # c$, find an e#essions fo#
dx
d) in
te#$s of x and hence, find the
$ai$u$ a#ea of t#ian%e #"+
SPM 2001
1. Givenr
r r f
25
34)(
−+= find %i$ited va%ue
of )(r f hen ∞→r
2. Given that #ah of function
2
3)(
x
k hx x f += has #adient function
3
2 6"3)(X x
x x f −= he#e h and k a#e
constants,
'ind
a. the va%ues of h and k b. x-coo#dinate of the
tu#nin oint of the #ah
of the function3. (a)
0he dia#a$ shos a ci#c%e inside#ectan%e 7L> such that the ci#c%e
is constant% touchin the to sides
4"
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of the #ectan%e. Given the e#i$ete#
of 7L> is 4/ c$
a. ia#a$ 2 shos a conica% containe#
4&
y + 2 x – x2
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1. cu#ve ith #adient function2
22 x x −
has a tu#nin oint at (k , )
(a) 'ind the va%ue of * [3 $](b) dete#$ine hethe# the tu#nin oint is a$ai$u$ o# $ini$u$ oint
[2 $]
( c) find the eCuation of the cu#ve
[3 $] SPM 2007
Paper 1
1. 0he cu#ve )( x f y = is such that
dx
dy+ 53 +kx , he#e k is a constant.
0he #adient of the cu#ve at 2= x is 6 'ind the va%ue of k
[2 $]
2. 0he cu#ve "4322 +−= x x y has a
$ini$u$ oint at p x = , he#e p is aconstant.
'ind the va%ue of p[3 $]
SPM 2008
Paper 11. 0o va#iab%es x and y a#e #e%ated b the
eCuation2
1"
x y = .
K#ess, in te#$s of h, the a#oi$atechane in y hen x chanes f#o$ 4 to 4
h, he#e h is a s$a%% va%ue
[3$]
2. 0he no#$a% to the cu#ve x x y 52 −= at oint 5 is a#a%%e% to the st#aiht %ine
12+−= x y . 'ind the eCuation of theno#$a% to the cu#ve at oint 5 .
[4$]
SPM 1993
1.
0he dia#a$ shos a ∆ 5*
(a) La%cu%ate obtuse an%e 5* [2$]
(b)
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2.
0he dia#a$ shos a %and fo#$ t#ian%e, #"+ , divide b th#ee a#ts. #,", "+ , and
#-;+ is a st#aiht %ine
Given that sin 13
12
=∠ "#+ (a) if the fence ant to bui%d a%on the
bounda# "+ , ca%cu%ate the tota% %enth is
needed
(b) La%cu%ate "+#∠ (c ) Given that the a#ea of :+;∆ sa$e
ith the a#ea #,- ∆ . La%cu%atethe %enth of ;+
SPM 19941.
n the dia#a$, "+, is a st#aiht %ine,ca%cu%ate the %enth of +,
2.
0he dia#a$ shos a #a$id ith #"+ ∆as the ho#iTonta% base. Given that #" + 3
c$, "+ + 4 c$ and /6/=∠ #"+ andve#te , is 4 c$ ve#tica%% above ",
ca%cu%ate the a#ea of the s%antin face.
[5$]
SPM 1995
1.
n the dia#a$, sin5
4=∠ #,+ he#e
#,+ ∠ is an obtuse an%e. La%cu%ate(a) the %enth of L co##ect to to deci$a%
%aces [3$]
(b) #"+ ∠ [2$]
SPM 1996
1.
5/
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0he dia#a$ shos a cuboid. La%cu%ate
(a) %6)∠ [4$]
(b) the a#ea of %6)∆ [2$]
2.
n the dia#a$, oints #, ", + , , and - %ieon a f%at ho#iTonta% su#face. Given "+, is a
st#aiht %ine, #+"∠ is an obtuse an%e andthe a#ea of #,- ∆ + 2/
c$2, ca%cu%ate
(a) the %enth of >
(b) ,#- ∠
SPM 1997
1. 0he dia#a$ shos a t#ian%e #"+
La%cu%ate
(a) the %enth of #" (b) the ne a#ea of t#ian%e #"+
if #+ is %enthened hi%e the
%enths of #", "+ and "#+ ∠ a#e $aintained [3$]
SPM 1998
1. n the dia#a$, ", + 5 c$, "+ + &c$,
+, + c$ and #- + 12 c$, ",- and
#,+ a#e a st#aiht %ines. 'ind (a) ",+ ∠ (b) the %enth of #,
2.
0he dia#a$ shos a #a$id /#"+, itha sCua#e base #"+,. /, is ve#tica% and base
#"+, is ho#iTonta%. La%cu%ate
(a) /.8 ∠(b) the a#ea of %ane /8
SPM 1999
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1.
0he dia#a$ shos a t#aeTiu$ #"+,
La%cu%ate(a) +",∠(b) the %enth of st#aiht %ine #+
2. %& is a t#ian%e ith side %& + 1/ c$.
Given that sin 45"./=∠ &%) andsin 3"./=∠ %&) ,
La%cu%ate (a) %)& ∠ (b) the a#ea of %&)∆
SPM 2000
1. 0he dia#a$ shos a cc%ic Cuad#i%ate#a%
7L>. 0he %enths of st#aiht %ines >L
and L7 a#e 3 c$ and " c$ #esective%.K#ess the %enth of 7> in te#$s of
(a) α
(b) β
Nence, sho that cos2611=α
2.
n the dia#a$, 5* is a st#aiht %ine.
La%cu%ate the %enth of 5
SPM 2001
1.
0he dia#a$ shos a #a$id ith at#ianu%a# base 5* hish is on a ho#iTonta%
%ane. \e#te / is ve#tica%% above 5 . Given
5 + 4 c$, 5/ + 1/ c$, /* + 15 c$ and//=∠/6*
La%cu%ate(a) the %enth of *(b) the a#ea of the s%antin face
SPM 2002
1.
0he dia#a$ shos a Cuad#i%ate#a% #"+,.Given #, is the %onest side of t#ian%e
#", and the a#ea of t#ian%e #", is 1/ c$2
La%cu%ate
52
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(a) "#,∠(b) the %enth of ",
( c) the %enth of "+
2.
0he dia#a$ shos a #is$ ith a unifo#$t#ianu%a# c#oss-section 5 . Given the
vo%u$e of the #is$ is 315 c$3. 'ind the
tota% su#face a#ea of the #ectanu%a# faces
[5$]
SPM 2003
1. 0he dia#a$ shos a tent \7L in the
shae of a #a$id ith t#ian%e 7L as theho#iTonta% base. \ is the ve#te of the tent
and the an%e beteen the inc%ined %ane
\7L and the base is 5//
Given that /" + /+ + 2.2 $ and #" + #+ +
2." $, ca%cu%ate
(a) the %enth of "+ if the a#ea of the
base is 3 $2
(b) the %enth of #/ and the base is
25/
(c ) the a#ea of t#ian%e /#"
SPM 2004
1. 0he dia#a$ shos a Cuad#i%ate#a% 7L> such that #"+ ∠ is acute
53
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(a) La%cu%ate
(i) #"+ ∠ (ii) #,+ ∠
(iii) the a#ea, in c$2, of Cuad#i%ate#a% #"+,
[$]
(b) t#ian%e #?"?+? has the sa$e
$easu#e$ents as those iven fo# t#ian%e
#"+ , that is, #?+? + 12.3 c$, +?"? + 6.5c$ and "∠ X #?+? + 4/.5/, but hich isdiffe#ent in shae to t#ian%e #"+
(i) ia#a$ 5 shos a Cuad#i%ate#a% 7L>
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>ia#a$ 5
0he a#ea of t#ian%e 7L> is 13 c$2 and "+,∠ is acute
La%cu%ate
(a) "+,∠ [2 $](b) the %enth, in c$, of ", [2 $](c) #",∠ [3 $](d) the a#ea, in c$2, Cuad#i%ate#a% #"+,
[3 $]
SPM 2006
1. >ia#a$ & shos Cuad#i%ate#a% #"+,
i. La%cu%ate
(a) the %enth, in c$, of #+
(b) #+"∠ [4 A]ii. 8oint U %ies on L such that
#U " + #"
(i) s*etch #∆ U "+ (ii) ca%cu%ate the a#ea, in
c$ 2 , of #∆ U "+ [" A]
SPM 1993
1. 0he tab%e be%o shos the $onth%
eenses of %iUs fa$i%
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"%ar
E9%n$%$
177 1772
'ood @A 32/ @A 34
0#anso#tation @A / @A 3
@enta% @A 2/ @A 322K%ect#icit _ ate# @A 4/ @A 4/
'ind the co$osite inde in the ea# 1662 b usin the ea# 166 as the base ea#.
Nence, if %iUs $onth% inco$e in the ea#
166 is @A //, find the $onth% inco$e#eCui#ed in the ea# 1662 so that the
inc#eases in his inco$e is in %ine ith the
inc#eases in his eenses
[5$]
SPM 1994
1. 0he ie cha#t be%o shos thedist#ibution of the $onth% eenses in the
ZusnisU househo%d in the ea# 166/. 0he
tab%e that fo%%os shos the #ice indices inthe ea# 1663 based on the ea# 166/
Mon'.
%9%n$%$
Pri&% In%9
'ood 13/
Nouse #enta% 115Knte#tain$ent 11/
L%othin 115
Dthe#s 13/
La%cu%ate(a) the co$osite #ice inde, co##ect
to the nea#est intee#, of the
$onth% eenses in the ZusnisU
househo%d
(b) the tota% $onth% eenses in theea# 1663, co##ect to the nea#est
#init, if the tota% $onth%
eenses of the Zus#isU househo%din the ea# 166/ is @A 5/
SPM 1995
1. 0he tab%e be%o shos the #ice indices
and eihtaes of fou# ite$s in the ea#
1664 based on the ea# 166/. Given the
co$osite #ice inde in the ea# 1664 is@A 114
La%cu%ate
(a) the va%ue of n(b) the #ice of a shi#t in 1664 if its
#ice in 166/ is @A 4/
SPM 1996
1. (a) n the ea# 1665, the #ice and #ice
inde of a *i%o#a$ of a ce#tain #ade
of #ice a#e @A 2.4/ and 1"/. Bsin theea# 166/ as the base ea#, ca%cu%ate
the #ice of a *i%o#a$ of #ice in the
ea# 166/.[2$]
(b) 0he above tab%e shos the #ice indices
in the ea# 1664 usin 1662 as the base
ea#, chanes to #ice indices f#o$ the
ea# 1664 to 166" and thei# eihtaes
I'%m Pri&% In%9 ;%ig'ag%
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#esective%.
I'%m Pri&%
In%9
1774
Cang%$ 'o
Pri&% in%9
0rom 1774 'o
177!
;%ig'ag%$
Eood 1/ nc#eases 1/ 5
Le$ent 11" >ec#eases 5 4
#on 14/ Ho chane 2
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eihtaes. Given the #ice of 8 in the
ea# 166" is @A 12.// and inc#eases to
@A 13./ in the ea# 1666. 7 usin166 as the base ea#, ca%cu%ate the va%ue
of x. Nence, find the va%ue of y if the
co$osite #ice inde is 113
te$ 8#ice inde Eeihtae
x 5
7 6 y
L 123 14 - y
SPM 2002
1. 0he tab%e be%o shos the #ices, #ice
indices and the nu$be# of th#ee ite$s
te$
8#ice (@A)
8#ice
nde Hu$be#
Zea#
1666
Zea#
2///
(7ase
ea#
1666) of ite$s
A 55 66 120 200
B 40 x 150 500
C 80 100 125 y
(a) 'ind the va%ue x
(b) f the co$osite #ice inde of the th#ee
ite$s in the ea# 2/// usin ea# 2/// as the base ea# is 13".5, find the va%ue of y
2. 0he tab%e be%o shos the #ices of th#ee
ite$s , 7 and L in the ea# 166" and
166, as e%% as thei# eihtaes
(a) Bsin the ea# 166" as the base ea#,ca%cu%ate the #ice indices of ite$s ,
7 and L
(b) Given the co$osite #ice inde ofthese ite$s in the ea# 166 based on
the ea# 166" is 14/, find the va%ues
of x and y
[5$]
SPM 2003
1. 0he dia#a$ be%o sho is a ba# cha#t
indicatin the ee*% cost of the ite$s 8,
T.% o0i'%m
Pri&%#RM) in
177!
Pri&%#RM) in
177
;%ig'ag%=
&/ 1/5 >
7 / 1// =
L "/ "&.5/ 2 x
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9, @, < and 0 fo# the ea# 166/. 0ab%e 1
shos the #ices and the #ice indices fo#
the ite$s.
I'%m$ Pri&% in
1776
Pri&% in
1775
Pri&% In%9
in 1775
/a$% on
17768 x @A /.&/ 1&5
9 @A 2.// @A 2.5/ 125
@ @A 4.// @A 5.5/ y
< @A ".// @A 6.// 15/
0 @A 2.5/ z 12/
(a) 'ind the va%ue of
(i) x (ii) y
(iii) z
(b) La%cu%ate the co$osite inde fo# the
ite$s in the ea# 1665 based on the ea#
166/
( c) 0he tota% $onth% cost of the ite$s in
the ea# 166/ is @A 45"
(d) 0he cost of the ite$s inc#eases b 2/
f#o$ the ea# 1665 to the ea# 2///.
'ind the co$osite inde fo# the ea#
2/// based on the ea# 166/
SPM 2004
1. 0he tab%e be%o shos the #ice indicesand e#centae of usae of fou# ite$s, 8, 9,
@ and < hich a#e the $ain in#edients in
the #oduction of a te of biscuits
(a) La%cu%ate
(i) the #ice of in the ea# 1663 if its
#ice in the ea# 1665 is @A 3&.&/(ii) the #ice inde of 5 in the ea# 1665
based on the ea# 1661 if its #ice
inde in the ea# 1663 based on theea# 1661 is 12/
[5$]
(b) 0he co$osite inde nu$be# of the %ostof biscuits #oduction fo# the ea# 1665
based on the ea# 1663 is 12. La%cu%ate
(i) the va%ue of
(ii) the #ice of a bo of biscuits in theea# 1663 if the co##esondin
#ice in the ea# 1665 is @A 32[5$]
SPM 2005
1. 0he tab%e be%o shos the #ices and the
#ice indices fo# the fou# in#edients 8, 9,@ and < used in $a*in biscuits of a
te$ 8#ice inde fo# the
ea# 1665 based on
the ea# 1663
8e#centae of
usae ()
5 135 4/
x 3/
* 1/5 1/
13/ 2/
56
0
5
10
15
20
25
30
P Q R S
ITEMS
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a#ticu%a# *ind. >ia#a$ be%o shos a
ie cha#t hich #e#esents the #e%ative
a$ount of the in#edients 8, 9, @, and <used in $a*in these biscuits
n#edients 8#ice e# * 8#ice inde fo# theea# 2//4 based on
the ea# 2//1Zea#
2//1
Zea#
2//4
5 /./ 1.// x
2.// y 14/
* /.4/ /."/ 15/
z /.4/ /
(a) 'ind the va%ue of , and T [3$]
(b) (i) ca%cu%ate the co$osite inde fo# the
cost of $a*in these biscuits in theea# 2//4 based on the ea# 2//1
(ii) Nence, ca%cu%ate the co##esondin
cost of $a*in these biscuits in theea# 2//1 if the cost in the ea# 2//4
as @A 265 [5$]
(c) 0he cost of $a*in these biscuits iseected to inc#ease b 5/ f#o$ the
ea# 2//4 to the ea# 2//&
'ind the eected co$osite inde fo#the ea# 2//& based on the ea# 2//1
[2$]
SPM 2006
1. a#ticu%a# *ind of ca*e is $ade b
usin fou# in#edients 5 , , * and .0ab%e shos the #ices of the in#edients
(a) 0he inde nu$be# of in#edient 5 inthe ea# 2//5 based on the ea# 2//4
is 12/. La%cu%ate the va%ue of w
[2$]
(b) 0he inde nu$be# of in#edient * in
the ea# 2//5 based on the ea#2//4 is 125. 0he #ice e# *i%o#a$
of in#edient * in the ea# 2//5 is
@A 2.// $o#e than its co##esondin
#ice in the ea# 2//4.
La%cu%ate the va%ue of x and of y
[3$]
(c) 0he co$osite inde fo# the costof $a*in the ca*e in the ea#
2//5 based on the ea# 2//4 is
12&.5 La%cu%ate
(i) 0he #ice of a ca*e in the ea#
2//4 if its co##esondin #ice in the ea# 2//5 is @A3/."/
(ii) the va%ue of $ if the
Cuantities of in#edients 5 , ,
* and used a#e in the #atioof & : 3 : m : 2
[3$]
SPM 2007
1. 0ab%e 4 shos the #ices and the #ice
indices of five co$onents, 8, 9, @, < and 0, used to #oduce a *ind of to
n#edient
8#ice e# *i%o#a$ (@A)
Zea# 2//4 Zea# 2//5
5 5.// 9
2.5/ 4.//
* x >
4.// 4.4/
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>ia#a$ " shos a ie cha#t hich
#e#esents the #e%ative Cuantit of
co$onents used
>ia#a$ "
(a) 'ind the va%ue of and of
[3$](b) La%cu%ate the co$osite inde fo# the
#oduction cost of the tos in the
ea# 2//" based on the ea# 2//4[3$]
(c) 0he #ice of each co$onent
inc#eases b 2/ f#o$ the ea#
2//" to the ea# 2//Given that the #oduction cost of one to
in the ea# 2//4 is @A 55, ca%cu%ate the
co##esondin cost in the ea# 2//
[4$]
Comon%n' Pri&% #RM) 0or '%
.%ar
Pri&% in%9 0or '%
.%ar 266! /a$% on
'% .%ar 2664
8 1.2/ 1.5/ 125
9 x 2.2/ 11/
@ 4.// ".// 15/
< 3.// 2.&/ y
0 2.// 2./ 14/