QUEST1ONSSEN1OR
D1V1S1ON
3.
The value of a in terms of c is
c
(A)

(B) c  20
(C) c  40
2
(D) 80  c
(E) 100  c
8.
If a
= ~,
b
=
i
and c
= ~,
which of the following is true?
4
3
9
9.
Suppose an Australian
dollar is worth 55 US cents. An Australian
tourist
in the USA buys an item worth $US100 and pays $A200.
What
should the change be in $US?
10.
The average weight of the potatoes
in a bag is doubled when one
extra large potato
is added to the four potatoes
already in the bag.
The ratio of the weight of this large potato
to the total weight of
the other four potatoes
is
(C) 8 : 3
(D) 2 : 1
(A) 125
(B) 225
(C) 250
4.
The sum of 250 249+ 248 247+ 246 ... + 2  1 is
(D) 124
(E) 126
Questions
11

20, 4 marks
each
km
5.
If k
= 4, m = 0.4
and
t
= 4.4, then the value of
~
is
(A)1
1
(B) "2
9
(C) 11
6.
Which of the following is the largest?
9
(D) 22
11.
In copying a problem
involving multiplication
of two numbers,
James mistakenly
wrote one of the numbers
as 54 instead
of 45.
His answer was 198 larger than
it should have been.
The correct
answer to the multiplication
problem is
(E) 4.2
(A) 990
(B) 1188
(C) 405
(D) 945
(E) 1200
(A) 2002
(B) (20.02)2
(C) 2002
(D) 2 x 104
(E) 2002 x 20.02
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 Spring '10
 ChaoHue
 The Land, Numerical digit, Orders of magnitude, triangle, square centimetres

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