MASS Mathematical Usage 3

Question 1

The ratio of boys to girls in a class is 3:5. If there are 24 students total, how many are girls?

Accepted Answer

15

Answer

9

Answer

12

Answer

18

Question 2

What is 3/8 expressed as a decimal?

Accepted Answer

0.375

Answer

0.275

Answer

0.425

Answer

0.625

Question 3

A worker earns $18 per hour and works 35 hours. What are the weekly earnings?

Accepted Answer

$630

Answer

$530

Answer

$600

Answer

$680

Question 4

What is the perimeter of a square with a side length of 9 inches?

Accepted Answer

36 inches

Answer

18 inches

Answer

27 inches

Answer

81 inches

Question 5

If 5 pencils cost $2.00, how much do 8 pencils cost?

Accepted Answer

$3.20

Answer

$2.80

Answer

$3.00

Answer

$4.00

Question 6

What is the average of 12, 18, 24, and 30?

Accepted Answer

21

Answer

18

Answer

24

Answer

27

Question 7

Solve: 48 ÷ 6 + 2 × 3.

Accepted Answer

14

Answer

10

Answer

16

Answer

30