WorkKeys Workplace Applied Mathematics 3 — Questions and Answers
Question 1: A part is 0.75 inches thick. How thick is a stack of 12 parts?
- 9 inches (Correct answer)
- 8.25 inches
- 9.75 inches
- 7.5 inches
Correct answer: 9 inches
0.75 × 12 = 9 inches.
Question 2: A job pays time-and-a-half for overtime. If the base rate is $16, what is the overtime rate?
- $24 (Correct answer)
- $22
- $32
- $20
Correct answer: $24
$16 × 1.5 = $24 per hour.
Question 3: A room measures 12 feet by 15 feet. What is its floor area?
- 180 sq ft (Correct answer)
- 54 sq ft
- 27 sq ft
- 160 sq ft
Correct answer: 180 sq ft
12 × 15 = 180 square feet.
Question 4: A worker has $1,250 and spends $480 on supplies. How much remains?
- $770 (Correct answer)
- $830
- $680
- $870
Correct answer: $770
$1,250 − $480 = $770.
Question 5: If 5 workers can complete a task in 12 hours, how long would 10 workers take at the same rate?
- 6 hours (Correct answer)
- 24 hours
- 8 hours
- 10 hours
Correct answer: 6 hours
Doubling workers halves the time: 12 ÷ 2 = 6 hours.
Question 6: A container is filled to 3/4 of its 200-liter capacity. How many liters are in it?
- 150 liters (Correct answer)
- 175 liters
- 125 liters
- 160 liters
Correct answer: 150 liters
3/4 × 200 = 150 liters.
Question 7: Sales tax is 6%. What is the total cost of a $250 item including tax?
- $265 (Correct answer)
- $256
- $275
- $260
Correct answer: $265
6% of $250 is $15, so $250 + $15 = $265.
WorkKeys Workplace Applied Mathematics 3
A part is 0.75 inches thick.
How thick is a stack of 12 parts?