New Jersey Civil Service Exam Mathematics 5 — Questions and Answers
Question 1: A civil service roster lists 120 employees. If 5 out of every 8 are full-time, how many are full-time?
- 65
- 70
- 75 (Correct answer)
- 80
Correct answer: 75
5/8 × 120 = 75 full-time employees.
Question 2: A clerk receives a mileage reimbursement of $0.67 per mile. If the clerk drives 145 miles, what is the total reimbursement?
- $95.15
- $97.15 (Correct answer)
- $99.15
- $101.15
Correct answer: $97.15
145 × $0.67 = $97.15.
Question 3: The average of five test scores is 82. Four of the scores are 78, 85, 90, and 76. What is the fifth score?
- 79
- 81 (Correct answer)
- 82
- 83
Correct answer: 81
Total needed = 82 × 5 = 410; sum of four = 329; fifth score = 410 − 329 = 81.
Question 4: A fence requires posts every 8 feet. If the fence is 200 feet long with posts at both ends, how many posts are needed?
- 24
- 25
- 26 (Correct answer)
- 27
Correct answer: 26
200 ÷ 8 = 25 intervals; 25 + 1 = 26 posts.
Question 5: A water department reads a meter at 4,382 gallons in January and 6,019 gallons in April. What is the average monthly usage over those 3 months?
- 529
- 546 (Correct answer)
- 563
- 580
Correct answer: 546
(6,019 − 4,382) ÷ 3 = 1,637 ÷ 3 ≈ 546 gallons per month.
Question 6: An office building floor plan is drawn at a scale of 1 inch = 20 feet. If a hallway measures 3.5 inches on the plan, how long is the actual hallway?
- 60 ft
- 65 ft
- 70 ft (Correct answer)
- 75 ft
Correct answer: 70 ft
3.5 × 20 = 70 feet.
Question 7: A department's supply budget is $9,600 for the year. After spending $2,400 in Q1 and $3,150 in Q2, what percentage of the budget remains?
- 38.75%
- 40.50%
- 42.19% (Correct answer)
- 43.75%
Correct answer: 42.19%
Remaining = $9,600 − $2,400 − $3,150 = $4,050; $4,050 ÷ $9,600 ≈ 42.19%.
New Jersey Civil Service Exam Mathematics 5
A civil service roster lists 120 employees.
If 5 out of every 8 are full-time, how many are full-time?