Bece Model Questions Vol1 2019 Mathematics Question 7

Practice essay / theory question 7 from the 2019 Bece Model Questions Vol1 Mathematics examination. This question covers Rates, Work and time .

Bece Model Questions Vol1 2019 Mathematics Essay / Theory

Topics: Rates Work and time

Question 7 BECE_MODEL_QUESTIONS_VOL1 • 2019 • MATHEMATICS • essay

A rectangular water tank can hold 1200 litres of water. Pipe P₁ can fill the tank in 8 hours, while pipe P₂ can fill it in 12 hours. Because of a restriction, pipe P₁ is opened alone for the first 3 hours, after which both pipes are opened together until the tank is full.

Question Parts

( a )

Write an expression for the volume of water supplied by pipe P₁ during the first 3 hours and evaluate it.

( b )

Determine the additional time required after the first 3 hours for the tank to become full.

( c )

If, after the tank is full, the water is emptied by a drain that removes water at 30 L per minute, calculate the total time required to empty the tank completely. Express your answer in hours and minutes.

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About This Question

This is Bece Model Questions Vol1 2019 Mathematics Question 7. It is one of the essay questions from the 2019 Bece Model Questions Vol1 Mathematics examination.

The question covers Rates, Work and time .

View More Bece Model Questions Vol1 2019 Mathematics Questions More Bece Model Questions Vol1 Practice Questions Back to Questions

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