Police Math Test Police Math Ratios and Proportions 5

Question 1

A jail houses inmates and guards in a ratio of 10 to 1. If there are 240 inmates, how many guards are required?

Accepted Answer

24

Answer

240 ÷ 10 = 24 guards.

Question 2

An accident diagram uses 1 cm = 4 feet. Two vehicles are drawn 6.5 cm apart. What is the real distance between them?

Accepted Answer

26 feet

Answer

6.5 cm × 4 feet = 26 feet.

Question 3

Solved and unsolved cases are in a ratio of 7 to 5. If 60 cases total, how many were solved?

Accepted Answer

35

Answer

Total parts = 12, so 60 ÷ 12 = 5, and 5 × 7 = 35 solved.

Question 4

An officer walks a beat at 4 miles per hour. How far does the officer travel in 2.5 hours?

Accepted Answer

10 miles

Answer

4 miles × 2.5 hours = 10 miles.

Question 5

If 6 dispatchers handle 480 calls in a shift, how many calls can 9 dispatchers handle at the same rate?

Accepted Answer

720

Answer

480 ÷ 6 = 80 calls each, and 80 × 9 = 720 calls.

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