Police Math Test Police Math Calculating Averages 4

Question 1

An officer made 5, 7, and 6 arrests in three months. To average 6 per month over four months, how many are needed in month four?

Accepted Answer

6

Answer

A 6 average over 4 months needs 24 total, and 24 minus 18 equals 6.

Question 2

Three response times average 8 minutes. If two were 6 and 9 minutes, what was the third?

Accepted Answer

9 minutes

Answer

The total is 24, and 24 minus 15 equals a third time of 9 minutes.

Question 3

An officer scored 70, 80, and 90 on three tests. What score on a fourth test gives an 85 average?

Accepted Answer

100

Answer

An 85 average over 4 tests needs 340 total, and 340 minus 240 equals 100.

Question 4

Four shifts average 10 citations. If three shifts had 8, 12, and 11, what did the fourth have?

Accepted Answer

9

Answer

The total is 40, and 40 minus 31 equals 9 citations.

Question 5

Two patrols averaged 30 miles. To raise the three-patrol average to 35 miles, what must the third patrol be?

Accepted Answer

45 miles

Answer

A 35 average over 3 patrols needs 105 total, and 105 minus 60 equals 45 miles.

Police Math Test Practice Test