Question 1

Find the lowest common multiple of 12 and $2^3	imes3^2	imes5$.

Accepted Answer

360

Answer

120

Answer

270

Answer

480

Question 2

Given that A, B and C are $2^3	imes3^4	imes7$, 368 and $2^3	imes3^2	imes5^2$ respectively. Determine the highest common factor of A, B and C.

Accepted Answer

8

Answer

10

Answer

6

Answer

12

Question 3

Mary has 81 sweets, 189 chocolate bars and 108 packets of chips. After distributing them equally to several child care centres, there are no remainders. What is the maximum possible number of child care centres she distributed to?

Accepted Answer

27

Answer

18

Answer

49

Answer

36

Question 4

A certain length of tape can be evenly cut into lengths of 34 cm, 78 cm and 15 cm. What is the minimum length of the tape?

Accepted Answer

6630 cm

Answer

2070 cm

Answer

5540 cm

Answer

1080 cm

Question 5

Given that A x B is a perfect square, find the smallest possible value of B if A = $2^4	imes3^5	imes7$.

Accepted Answer

21

Answer

42

Answer

7

Answer

18

Question 6

Evaluate $18\div(-2)+(-4)$.

Accepted Answer

$-13$

Answer

$-10$

Answer

$-3$

Answer

$3$

Question 7

Evaluate $-2(-8)-4+20\div(-4)$.

Accepted Answer

7

Answer

10

Answer

8

Answer

9

Question 8

Find the value of $\frac{7}{12}+\frac{3}{4}-\frac{11}{24}$.

Accepted Answer

$\frac{7}{8}$

Answer

$\frac{9}{8}$

Answer

$\frac{7}{12}$

Answer

$\frac{3}{8}$

Question 9

Evaluate $\frac{52}{5}	imes3\frac{2}{5}\div\frac{4}{5}$.

Accepted Answer

$44\frac{1}{5}$

Answer

$44\frac{3}{5}$

Answer

$40\frac{1}{5}$

Answer

$32\frac{1}{5}$

Question 10

Find the value of $6\frac{7}{8}\div\frac{5}{6}-2\frac{1}{2}$

Accepted Answer

$5\frac{3}{4}$

Answer

$2\frac{1}{4}$

Answer

$7\frac{3}{4}$

Answer

$3\frac{3}{8}$

Question 11

Evaluate $20-1.49+3.1$.

Accepted Answer

$21.61$

Answer

$22.61$

Answer

$24.61$

Answer

$23.61$

Question 12

Evaluate $0.3	imes(-1.3)$

Accepted Answer

$-0.39$

Answer

$-0.039$

Answer

$-3.9$

Answer

$39$

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