Police Math Test Police Math Ratios and Proportions 3 — Questions and Answers
Question 1: A 911 dispatch center handles calls and officers in a ratio of 6 calls per officer. If 9 officers are working, how many calls can be covered?
- 45
- 54 (Correct answer)
- 63
- 48
Correct answer: 54
6 calls × 9 officers = 54 calls.
Question 2: A floor plan is drawn at 1 cm = 2 meters. A hallway measures 8.5 cm on the plan. How long is the actual hallway?
- 15 meters
- 16 meters
- 17 meters (Correct answer)
- 18 meters
Correct answer: 17 meters
8.5 cm × 2 meters per cm = 17 meters.
Question 3: Stolen vehicles recovered and not recovered are in a ratio of 3 to 7. If 50 vehicles were stolen, how many were recovered?
- 15 (Correct answer)
- 21
- 35
- 20
Correct answer: 15
Total parts = 10, so 50 ÷ 10 = 5, and 5 × 3 = 15 recovered.
Question 4: An officer types reports at 90 words per minute. At that rate, how many words can be typed in 7 minutes?
- 540
- 630 (Correct answer)
- 720
- 600
Correct answer: 630
90 words × 7 minutes = 630 words.
Question 5: If 5 background checks take 2 hours, how long will 20 background checks take at the same pace?
- 6 hours
- 8 hours (Correct answer)
- 10 hours
- 12 hours
Correct answer: 8 hours
20 is 4 times 5, so 2 hours × 4 = 8 hours.
Question 6: A crime lab processes DNA and fingerprint samples in a ratio of 2 to 9. If 18 fingerprint samples are processed, how many DNA samples are there?
- 3
- 4 (Correct answer)
- 5
- 6
Correct answer: 4
18 ÷ 9 = 2, and 2 × 2 = 4 DNA samples.
Question 7: A patrol route of 24 miles is covered in 40 minutes. At the same speed, how long to cover 36 miles?
- 50 minutes
- 60 minutes (Correct answer)
- 55 minutes
- 48 minutes
Correct answer: 60 minutes
40 ÷ 24 × 36 = 60 minutes.
Police Math Test Police Math Ratios and Proportions 3
A 911 dispatch center handles calls and officers in a ratio of 6 calls per officer.
If 9 officers are working, how many calls can be covered?