Waec Model Questions Vol1 2019 Mathematics Question 14

Practice objective / multiple choice question 14 from the 2019 Waec Model Questions Vol1 Mathematics examination.

Waec Model Questions Vol1 2019 Mathematics Objective / Multiple Choice Medium Difficulty
Question 14 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • MATHEMATICS • objective

The time T (in hours) required for a job varies directly as the square of the number of workers w and inversely as the efficiency e of each worker. If 4 workers each having efficiency 5 complete the job in 10 hours, how many hours will be required if 6 workers each have efficiency 4?

Answer Options

Correct Answer A. 225/8
B. 225/6
C. 225/10
D. 225/7
Correct Answer
A
Correct Option:
225/8

About This Question

This is Waec Model Questions Vol1 2019 Mathematics Question 14. It is a objective / multiple choice question from the 2019 Waec Model Questions Vol1 Mathematics examination.

Difficulty level: Medium .

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