IBEW Aptitude Numerical Reasoning Question and Answers 2

Question 1

A worker completes 3/8 of a job in 6 hours. At this rate, how many hours will the entire job take?

Accepted Answer

16 hours

Answer

If 3/8 of the job takes 6 hours, then 1/8 takes 2 hours, and 8/8 (the whole job) takes 8 × 2 = 16 hours.

Question 2

If a cable costs $2.40 per foot, how much does 37.5 feet cost?

Accepted Answer

$90.00

Answer

37.5 × $2.40 = $90.00.

Question 3

A conduit run requires 4 sections of pipe. The sections measure 8¾ ft, 6½ ft, 11¼ ft, and 9 ft. What is the total length?

Accepted Answer

35 ft

Answer

8¾ + 6½ + 11¼ + 9 = 8.75 + 6.5 + 11.25 + 9 = 35.5 ft.

Question 4

Out of 240 workers on a job site, 15% are apprentices. How many apprentices are there?

Accepted Answer

36

Answer

15% of 240 = 0.15 × 240 = 36.

Question 5

If an apprentice earns $22.50 per hour and works 8.5 hours, what is the gross pay?

Accepted Answer

$191.25

Answer

22.50 × 8.5 = 22.50 × 8 + 22.50 × 0.5 = 180 + 11.25 = $191.25.

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