NPOST Mathematics and Arithmetic 2 — Questions and Answers
Question 1: An officer drives 45 miles in 1.5 hours. What is the average speed in miles per hour?
- 25 mph
- 30 mph (Correct answer)
- 35 mph
- 45 mph
Correct answer: 30 mph
Speed equals distance divided by time: 45 ÷ 1.5 = 30 mph.
Question 2: A suspect's vehicle is described as traveling 60 mph. How many miles does it cover in 20 minutes?
- 15 miles
- 20 miles (Correct answer)
- 25 miles
- 30 miles
Correct answer: 20 miles
20 minutes is one-third of an hour, so 60 × (1/3) = 20 miles.
Question 3: If 3 patrol cars each need 12 gallons of fuel, how many gallons are needed total?
- 24 gallons
- 30 gallons
- 36 gallons (Correct answer)
- 48 gallons
Correct answer: 36 gallons
Multiply 3 cars by 12 gallons each: 3 × 12 = 36 gallons.
Question 4: A report lists 240 incidents over 30 days. What is the average number of incidents per day?
- 6
- 7
- 8 (Correct answer)
- 9
Correct answer: 8
Divide total incidents by days: 240 ÷ 30 = 8 per day.
Question 5: What is 25% of 160?
- 30
- 40 (Correct answer)
- 45
- 50
Correct answer: 40
25% equals one-quarter, so 160 ÷ 4 = 40.
Question 6: An officer collects evidence weighing 3 lbs, 5 lbs, and 8 lbs. What is the total weight?
- 14 lbs
- 15 lbs
- 16 lbs (Correct answer)
- 18 lbs
Correct answer: 16 lbs
Add the weights: 3 + 5 + 8 = 16 lbs.
Question 7: A fine is $75 and a 20% surcharge is added. What is the total amount due?
- $85
- $90 (Correct answer)
- $95
- $100
Correct answer: $90
20% of $75 is $15, so $75 + $15 = $90.
NPOST Mathematics and Arithmetic 2
An officer drives 45 miles in 1.5 hours.
What is the average speed in miles per hour?