NCRC Applied Mathematics 2

Question 1

A team of 4 workers can unload a truck in 6 hours. How long would it take 8 workers at the same rate?

Accepted Answer

3 hours

Answer

Doubling the workers halves the time: 6 ÷ 2 = 3 hours.

Question 2

A shop orders 144 items and sells them at $3.50 each. If each item cost $1.80, what is the total profit?

Accepted Answer

$244.80

Answer

Profit per item = $3.50 − $1.80 = $1.70; total profit = $1.70 × 144 = $244.80.

Question 3

Convert 5.25 hours into hours and minutes.

Accepted Answer

5 hours 15 minutes

Answer

0.25 hours × 60 minutes/hour = 15 minutes, so the answer is 5 hours 15 minutes.

Question 4

A cylindrical tank has a radius of 3 feet and a height of 10 feet. Using π ≈ 3.14, what is its volume?

Accepted Answer

282.6 cu ft

Answer

V = π × r² × h = 3.14 × 9 × 10 = 282.6 cubic feet.

Question 5

A paycheck shows gross pay of $920 and deductions totaling $217.40. What is the net pay?

Accepted Answer

$702.60

Answer

$920.00 − $217.40 = $702.60 net pay.

NCRC - National Career Readiness Certificate Practice Test