Police Math Test Police Math Fractions, Decimals, and Percentages 3 — Questions and Answers
Question 1: A speeding fine is $180, increased by 10% for a court fee. What is the total?
- $190
- $198 (Correct answer)
- $200
- $208
Correct answer: $198
10% of $180 is $18, so $180 + $18 = $198.
Question 2: Express 7/8 as a decimal.
- 0.78
- 0.825
- 0.875 (Correct answer)
- 0.925
Correct answer: 0.875
7 divided by 8 equals 0.875.
Question 3: Of 40 calls in a shift, 30% were false alarms. How many calls were false alarms?
- 10
- 12 (Correct answer)
- 14
- 15
Correct answer: 12
30% of 40 = 0.30 × 40 = 12.
Question 4: Subtract: 3/4 − 1/8.
- 1/8
- 3/8
- 5/8 (Correct answer)
- 7/8
Correct answer: 5/8
Convert 3/4 to 6/8, then 6/8 − 1/8 = 5/8.
Question 5: Which of these is the largest value?
- 0.6
- 5/8 (Correct answer)
- 55%
- 3/5
Correct answer: 5/8
5/8 = 0.625, which is greater than 0.6, 0.55, and 0.6.
Question 6: A radar logs 120 vehicles; 1/5 exceed the limit. How many exceed the limit?
- 20
- 24 (Correct answer)
- 30
- 36
Correct answer: 24
1/5 of 120 = 120 ÷ 5 = 24.
Question 7: What is 0.05 written as a percentage?
- 0.5%
- 5% (Correct answer)
- 50%
- 0.05%
Correct answer: 5%
0.05 × 100 = 5%.
Police Math Test Police Math Fractions, Decimals, and Percentages 3
A speeding fine is $180, increased by 10% for a court fee.
What is the total?