Gce Model Questions Vol1 2017 Mathematics Question 10

Practice essay / theory question 10 from the 2017 Gce Model Questions Vol1 Mathematics examination. This question covers Variation .

Gce Model Questions Vol1 2017 Mathematics Essay / Theory
Topic: Variation
Question 10 GCE_MODEL_QUESTIONS_VOL1 • 2017 • MATHEMATICS • essay

The time T (in seconds) required for a group of workers to complete a fixed job varies directly as the square of the number of workers n and inversely as the efficiency e of each worker. The efficiency e varies inversely as the square root of the amount of training h (in hours) each worker receives.

Question Parts

( a )
Write the combined variation formula that relates T, n and h, and determine the constant of variation K using the data: when n = 5 workers, h = 4 hours, the time taken is T = 120 s.

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About This Question

This is Gce Model Questions Vol1 2017 Mathematics Question 10. It is one of the essay questions from the 2017 Gce Model Questions Vol1 Mathematics examination.

The question covers Variation .

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