EIAT Percentages and Word Problems 3

Question 1

A building has 5 elevators. During peak hours, 3 of them handle 72% of all trips. If there are 250 total trips, how many trips do the remaining 2 elevators handle?

Accepted Answer

70 trips

Answer

72% of 250 = 180 trips for 3 elevators; 250 − 180 = 70 trips for the other 2.

Question 2

An elevator's speed is reduced from 400 feet per minute to 340 feet per minute during inspection mode. What is the percentage decrease?

Accepted Answer

15%

Answer

(400 − 340) ÷ 400 × 100 = 60 ÷ 400 × 100 = 15%.

Question 3

A parts order totals $1,450 before tax. Sales tax is 8.5%. What is the total cost including tax?

Accepted Answer

$1,557.25

Answer

$1,450 × 0.085 = $123.25; $1,450 + $123.25 = $1,573.25. Closest is $1,572.50 — recalculating exactly: $1,450 × 1.085 = $1,573.25.

Question 4

A wire rope has a breaking strength of 40,000 lbs. The working load limit is 20% of breaking strength. What is the working load limit?

Accepted Answer

8,000 lbs

Answer

20% of 40,000 = 0.20 × 40,000 = 8,000 lbs.

Question 5

A contractor completes 3 elevator installations per week. At that rate, how many weeks to complete 45% of a 60-installation contract?

Accepted Answer

9 weeks

Answer

45% of 60 = 27 installations; 27 ÷ 3 per week = 9 weeks.

EIAT - Elevator Industry Aptitude Test Practice Test

EIAT - Elevator Industry Aptitude Test Practice Test

EIAT Percentages and Word Problems 3