NYC - Civil Service Exam Civil Service Mathematical Reasoning and Number Facility 1 — Questions and Answers
Question 1: A mail carrier delivers 252 pieces of mail over a 7-hour shift at a constant rate. How many pieces of mail does he deliver per hour?
- 32
- 36 (Correct answer)
- 38
- 42
Correct answer: 36
Divide 252 pieces by 7 hours: 252 ÷ 7 = 36 pieces per hour.
Question 2: A city sanitation crew covers 18 streets in 6 hours. At the same rate, how many streets will they cover in 9 hours?
- 21
- 24
- 27 (Correct answer)
- 30
Correct answer: 27
The crew covers 18 ÷ 6 = 3 streets per hour. In 9 hours they cover 3 × 9 = 27 streets.
Question 3: A fire station receives 45 calls on Monday, 38 on Tuesday, 52 on Wednesday, and 41 on Thursday. What is the average number of daily calls over these four days?
- 42
- 43
- 44 (Correct answer)
- 45
Correct answer: 44
Add all calls: 45 + 38 + 52 + 41 = 176. Divide by 4 days: 176 ÷ 4 = 44 calls per day.
Question 4: A city employee earns $24.50 per hour and works a standard 40-hour week. What are their total weekly earnings?
- $960.00
- $970.00
- $980.00 (Correct answer)
- $990.00
Correct answer: $980.00
Multiply the hourly rate by hours worked: $24.50 × 40 = $980.00.
Question 5: A transit authority purchases 12 new buses at $85,000 each. What is the total purchase cost?
- $960,000
- $1,020,000 (Correct answer)
- $1,080,000
- $1,200,000
Correct answer: $1,020,000
Multiply the number of buses by the unit cost: 12 × $85,000 = $1,020,000.
Question 6: A water meter reader checks 8 meters every 3 hours. At this rate, how many meters will he check during a 12-hour workday?
- 28
- 30
- 32 (Correct answer)
- 36
Correct answer: 32
The reader completes 8 meters per 3 hours. In 12 hours there are 12 ÷ 3 = 4 such intervals, so 4 × 8 = 32 meters.
NYC - Civil Service Exam Civil Service Mathematical Reasoning and Number Facility 1
A mail carrier delivers 252 pieces of mail over a 7-hour shift at a constant rate.
How many pieces of mail does he deliver per hour?