NPOST Math 3 — Questions and Answers
Question 1: A speeding ticket fine increases by $50 for every 10 mph over the limit. If a driver was 30 mph over, what is the added fine?
- $100
- $120
- $150 (Correct answer)
- $180
Correct answer: $150
30 mph over is three increments of 10 mph, so 3 × $50 = $150.
Question 2: An officer responds to 4 calls per hour during an 8-hour shift. How many calls total?
- 28
- 30
- 32 (Correct answer)
- 36
Correct answer: 32
4 calls × 8 hours = 32 calls.
Question 3: If 3/5 of a 200-person crowd has dispersed, how many people remain?
- 60
- 70
- 80 (Correct answer)
- 120
Correct answer: 80
3/5 dispersed leaves 2/5, and 2/5 × 200 = 80 people.
Question 4: What is 7 squared minus 5 squared?
- 12
- 24 (Correct answer)
- 20
- 14
Correct answer: 24
49 − 25 = 24.
Question 5: A vehicle's odometer reads 54,320 at the start of a shift and 54,488 at the end. How many miles were driven?
- 158
- 168 (Correct answer)
- 178
- 188
Correct answer: 168
54,488 − 54,320 = 168 miles.
Question 6: If a suspect line-up has 6 people and each is photographed 3 times, how many photos are taken?
- 12
- 15
- 18 (Correct answer)
- 21
Correct answer: 18
6 × 3 = 18 photos.
Question 7: Convert 3/4 to a percentage.
- 65%
- 70%
- 75% (Correct answer)
- 80%
Correct answer: 75%
3/4 equals 0.75, which is 75%.
A speeding ticket fine increases by $50 for every 10 mph over the limit.
If a driver was 30 mph over, what is the added fine?