New Jersey Civil Service Exam Mathematics 3 — Questions and Answers
Question 1: An inspector travels 240 miles in 4.5 hours. What is the average speed in miles per hour (rounded to the nearest whole number)?
- 51
- 53 (Correct answer)
- 55
- 56
Correct answer: 53
240 ÷ 4.5 ≈ 53.3, rounded to 53 mph.
Question 2: A government form has 3 sections: Section A has 12 fields, Section B has 18 fields, and Section C has 10 fields. What fraction of all fields belongs to Section B?
- 3/10
- 9/20 (Correct answer)
- 2/5
- 1/2
Correct answer: 9/20
Total = 40 fields; 18/40 = 9/20.
Question 3: A civil servant earns $52,000 per year. After a 4.5% raise, what is the new annual salary?
- $54,340 (Correct answer)
- $54,100
- $53,600
- $55,000
Correct answer: $54,340
$52,000 × 1.045 = $54,340.
Question 4: If 3/4 of a project is completed in 9 days, how many total days will the full project take at the same rate?
- 11
- 12 (Correct answer)
- 13
- 10
Correct answer: 12
If 3/4 takes 9 days, then 1/4 takes 3 days, so the full project takes 12 days.
Question 5: A rectangular storage room is 15 feet long and 9 feet wide. What is the area in square feet?
- 48
- 105
- 135 (Correct answer)
- 126
Correct answer: 135
Area = 15 × 9 = 135 square feet.
Question 6: A civil service exam has 80 questions. A candidate answers 68 correctly. What percentage did the candidate answer correctly?
- 80%
- 82.5%
- 85% (Correct answer)
- 87.5%
Correct answer: 85%
68 ÷ 80 = 0.85 = 85%.
Question 7: An office uses 4 reams of paper per week. How many reams are needed for a 13-week quarter?
- 48
- 52 (Correct answer)
- 56
- 60
Correct answer: 52
4 × 13 = 52 reams.
New Jersey Civil Service Exam Mathematics 3
An inspector travels 240 miles in 4.5 hours.
What is the average speed in miles per hour (rounded to the nearest whole number)?