NPOST Mathematics and Arithmetic 4

Question 1

A parking lot has 12 rows with 15 spaces each. How many total spaces are there?

Accepted Answer

180

Answer

Multiply 12 rows by 15 spaces: 12 × 15 = 180.

Question 2

An officer travels 8 miles north then 6 miles east. Using a right triangle, what is the straight-line distance?

Accepted Answer

10 miles

Answer

Using the Pythagorean theorem: √(8² + 6²) = √100 = 10 miles.

Question 3

What is 1/3 of 99?

Accepted Answer

33

Answer

Divide 99 by 3 to get 33.

Question 4

A case file has 480 pages reviewed at 60 pages per hour. How many hours are needed?

Accepted Answer

8 hours

Answer

Divide 480 pages by 60 per hour: 480 ÷ 60 = 8 hours.

Question 5

If a suspect was seen 3 times in week 1, 5 times in week 2, and 7 times in week 3, what is the average per week?

Accepted Answer

5

Answer

Add 3 + 5 + 7 = 15 and divide by 3 weeks to get 5.

NPOST Police Test Practice Test