Ohio Civil Service Exam Logical and Mathematical Reasoning 4 — Questions and Answers
Question 1: A clerk files 30 documents per hour. After a process improvement, productivity increases by 20%. How many documents can the clerk now file per hour?
- 34
- 36 (Correct answer)
- 38
- 40
Correct answer: 36
30 × 1.20 = 36 documents per hour.
Question 2: Which number is missing from the series: 5, 10, 20, ___, 80?
- 30
- 35
- 40 (Correct answer)
- 45
Correct answer: 40
The pattern doubles each time: 20 × 2 = 40.
Question 3: A project requires 6 workers to finish in 8 days. If 2 workers are reassigned, how many days will the remaining 4 workers need?
- 10
- 12 (Correct answer)
- 14
- 16
Correct answer: 12
Total work = 6 × 8 = 48 worker-days; 48 ÷ 4 workers = 12 days.
Question 4: Some violations result in fines. All fines require supervisor approval. A case requires supervisor approval. What can be concluded?
- The case is a violation
- The case resulted in a fine
- The case may or may not have resulted in a fine (Correct answer)
- All violations require supervisor approval
Correct answer: The case may or may not have resulted in a fine
Supervisor approval is required for fines, but other reasons may also trigger approval.
Question 5: An agency serves 3,600 clients. If 5/9 of the clients use online services, how many clients use non-online services?
- 1,400
- 1,600 (Correct answer)
- 1,800
- 2,000
Correct answer: 1,600
Online: 5/9 × 3,600 = 2,000; non-online: 3,600 − 2,000 = 1,600.
Question 6: Vehicle maintenance costs over four years: Year 1=$1,200, Year 2=$1,450, Year 3=$1,100, Year 4=$1,650. What is the median cost?
- $1,275
- $1,325 (Correct answer)
- $1,350
- $1,400
Correct answer: $1,325
Sorted: 1,100; 1,200; 1,450; 1,650 — median = (1,200 + 1,450) ÷ 2 = $1,325.
Question 7: If neither Option A nor Option B is feasible, and Option C is only feasible if A or B is feasible, what must be true?
- Option C is feasible
- Option C is not feasible (Correct answer)
- Option C requires additional resources
- Nothing can be determined about Option C
Correct answer: Option C is not feasible
C requires A or B to be feasible; since neither is feasible, C cannot be feasible.
Ohio Civil Service Exam Logical and Mathematical Reasoning 4
A clerk files 30 documents per hour.
After a process improvement, productivity increases by 20%.
How many documents can the clerk now file per hour?