NPOST Mathematics and Arithmetic 2

Question 1

An officer drives 45 miles in 1.5 hours. What is the average speed in miles per hour?

Accepted Answer

30 mph

Answer

Speed equals distance divided by time: 45 ÷ 1.5 = 30 mph.

Question 2

A suspect's vehicle is described as traveling 60 mph. How many miles does it cover in 20 minutes?

Accepted Answer

20 miles

Answer

20 minutes is one-third of an hour, so 60 × (1/3) = 20 miles.

Question 3

If 3 patrol cars each need 12 gallons of fuel, how many gallons are needed total?

Accepted Answer

36 gallons

Answer

Multiply 3 cars by 12 gallons each: 3 × 12 = 36 gallons.

Question 4

A report lists 240 incidents over 30 days. What is the average number of incidents per day?

Accepted Answer

8

Answer

Divide total incidents by days: 240 ÷ 30 = 8 per day.

Question 5

What is 25% of 160?

Accepted Answer

40

Answer

25% equals one-quarter, so 160 ÷ 4 = 40.

NPOST Police Test Practice Test