NPOST Mathematics and Arithmetic 3 — Questions and Answers
Question 1: A shift starts at 10:00 PM and ends at 6:00 AM. How many hours long is the shift?
- 6 hours
- 7 hours
- 8 hours (Correct answer)
- 9 hours
Correct answer: 8 hours
From 10:00 PM to 6:00 AM is 8 hours.
Question 2: If a rope is 36 feet long and cut into 4 equal pieces, how long is each piece?
- 6 feet
- 8 feet
- 9 feet (Correct answer)
- 12 feet
Correct answer: 9 feet
Divide 36 by 4 to get 9 feet per piece.
Question 3: A crowd estimate doubled from 350 to its new size. What is the new size?
- 600
- 650
- 700 (Correct answer)
- 750
Correct answer: 700
Doubling 350 gives 350 × 2 = 700.
Question 4: What is the sum of 128 and 256?
- 374
- 384 (Correct answer)
- 394
- 404
Correct answer: 384
128 + 256 = 384.
Question 5: An officer writes 18 tickets in 6 hours. What is the rate per hour?
- 2 per hour
- 3 per hour (Correct answer)
- 4 per hour
- 5 per hour
Correct answer: 3 per hour
Divide 18 tickets by 6 hours: 18 ÷ 6 = 3 per hour.
Question 6: A budget of $1,200 is split equally among 8 officers. How much does each receive?
- $120
- $135
- $150 (Correct answer)
- $160
Correct answer: $150
Divide $1,200 by 8 to get $150 each.
Question 7: If a number decreased by 15 equals 42, what is the number?
- 55
- 57 (Correct answer)
- 59
- 60
Correct answer: 57
Add 15 to 42 to reverse the subtraction: 42 + 15 = 57.
NPOST Mathematics and Arithmetic 3
A shift starts at 10:00 PM and ends at 6:00 AM.
How many hours long is the shift?