NTN Mathematics and Arithmetic 3

Question 1

An officer earns $52,000 per year. After a 5% raise, what is the new annual salary?

Accepted Answer

$54,600

Answer

5% of $52,000 = $2,600; $52,000 + $2,600 = $54,600.

Question 2

A shift has 4 officers patrolling 32 square miles. If 1 officer calls in sick and the patrol area stays the same, how many square miles must each remaining officer cover?

Accepted Answer

10.67 square miles

Answer

32 ÷ 3 = 10.67 square miles per officer.

Question 3

A report takes 20 minutes to write. An officer has 3 hours at the end of shift. How many complete reports can the officer finish?

Accepted Answer

9 reports

Answer

3 hours = 180 minutes; 180 ÷ 20 = 9 reports.

Question 4

A precinct responded to 1,200 calls last month. This month, calls increased by 25%. How many calls were received this month?

Accepted Answer

1,500 calls

Answer

25% of 1,200 = 300; 1,200 + 300 = 1,500 calls.

Question 5

An officer drove 250 miles in 5 hours. What was the average speed?

Accepted Answer

50 mph

Answer

250 ÷ 5 = 50 mph.

NTN - National Testing Network Practice Test

NTN - National Testing Network Practice Test

NTN Mathematics and Arithmetic 3