College Math Placement Test Arithmetic 2

Question 1

What is 15% of 240?

Accepted Answer

36

Answer

15% of 240 = 0.15 × 240 = 36.

Question 2

Simplify: 7/8 ÷ 7/16

Accepted Answer

2

Answer

Dividing fractions: 7/8 × 16/7 = 16/8 = 2.

Question 3

A price increased from $45 to $54. What is the percent increase?

Accepted Answer

20%

Answer

Percent increase = (54 − 45)/45 × 100 = 9/45 × 100 = 20%.

Question 4

What is the least common multiple (LCM) of 6 and 8?

Accepted Answer

24

Answer

The LCM of 6 and 8 is 24, since 24 is the smallest number divisible by both.

Question 5

Evaluate: −3 + (−5) × 2

Accepted Answer

−13

Answer

By order of operations, multiply first: −5 × 2 = −10, then −3 + (−10) = −13.

College Math Placement Test Practice Test