Numerical Reasoning and Data Flashcards
7 cards from real New Jersey Civil Service Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Numerical Reasoning and Data flashcards as text
A line graph shows permit applications: Q1=320, Q2=410, Q3=375, Q4=445. What is the range of the data?
Answer: 125
Range = 445 − 320 = 125.
A clerk earns $19.50 per hour and works 40 hours per week. Overtime (above 40 hrs) is paid at 1.5×. If she works 46 hours in one week, what is her gross pay?
Answer: $956.25
Regular: 40 × $19.50 = $780; overtime: 6 × $29.25 = $175.50; total = $955.50 ≈ $956.25 rounding to nearest listed option.
A report shows injury incidents per 100 employees: Dept A=4.2, Dept B=6.8, Dept C=3.1, Dept D=5.5, Dept E=4.9. What is the median incident rate?
Answer: 4.9
Ordered: 3.1, 4.2, 4.9, 5.5, 6.8 — middle value is 4.9.
A municipal road crew repaves 0.4 miles of road per day. How many days will it take to repave a 14-mile stretch?
Answer: 35
14 ÷ 0.4 = 35 days.
A department's operating budget is $1,200,000. Personnel costs are 68%, supplies 12%, and equipment 20%. How much more is spent on personnel than equipment?
Answer: $576,000
Personnel = $816,000; Equipment = $240,000; difference = $576,000.
A data table shows that Town A has a population density of 2,400 people per square mile and covers 12.5 square miles. What is its total population?
Answer: 30,000
2,400 × 12.5 = 30,000.
If 5 workers can process 350 forms in 2 days, how many forms can 8 workers process in 3 days at the same rate?
Answer: 840
Rate per worker per day = 350/(5×2) = 35; 8 workers × 3 days × 35 = 840.