College Math Placement Test College Math Placement Basic Math 5

Question 1

If the ratio of boys to girls in a class is 3:5 and there are 24 boys, how many girls are there?

Accepted Answer

40

Answer

If 3 parts = 24 boys, then 1 part = 8; 5 parts × 8 = 40 girls.

Question 2

Simplify: −5 − (−12)

Accepted Answer

7

Answer

Subtracting a negative is the same as adding: −5 − (−12) = −5 + 12 = 7.

Question 3

What is 3/8 expressed as a decimal?

Accepted Answer

0.375

Answer

3 ÷ 8 = 0.375.

Question 4

A tank holds 500 liters. It is currently 40% full. How many liters are needed to fill it completely?

Accepted Answer

300 liters

Answer

40% of 500 = 200 liters already in the tank; 500 − 200 = 300 liters needed.

Question 5

What is the value of 2⁵ − 3²?

Accepted Answer

23

Answer

2⁵ = 32 and 3² = 9; 32 − 9 = 23.

College Math Placement Test Practice Test