QUEST1ONS-SEN1OR
1. 1.1 x 0.7 equals (A) 77 (B) 7.7

D1V1S1ON

8. If a

= ~, b = i and c = ~, which of the 4 3 9
(B) a < c < b (D) a < b < c

following is true?

(A) b < c < a
(C) 0.77 (D) 0.707 (E) 7.07

(C) c < a < b

(E) b < a < c

32 + 32 + 32 2. 23 + 23 + 23 equals (A) 2 (B) 8 (C) 1 (D) 4 (E) 729 512

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? (A) 5 (B) 10 (C) 15 (D) 20 (E) 25

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

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 (A) 3 : 2 (B) 6 : 1 (C) 8 : 3 (D) 2 : 1 (E) 8 : 1

4. The sum of 250 - 249+ 248 - 247+ 246- . . . + 2 - 1 is
(A) 125 (B) 225 (C) 250

(D) 124 k-m (E) 126
Questions 11

- 20,

4 marks each

5. If k = 4, m = -0.4 and t = 4.4, then the value of

~

is

(A)1

1 (B) "2

9

(C) 11

9 (D) 22

(E) 4.2

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 (A) 990 (B) 1188 (C) 405 (D) 945 (E) 1200

6. Which of the following is the largest? (A) 2002 (B) (20.02)2 (C) 2002 (D) 2 x 104 (E) 2002 x 20.02 7. Two trees on either side of a river were lined up as shown in the diagram, with measurements, in metres, as shown. The width of the river, in metres, is (A) 50 (B) 60 (D) 72 (E) 16 (C) 48
20

12. A square piece of paper 10 cm by 10 cm is folded, cut and unfolded as shown. cut nver

width

[2J
60

-+

o A ~C
',',',',','.',',',',',',',',','

-+

:

I

-+

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