Bece Model Questions Vol1 2017 Mathematics Question 7

Practice essay / theory question 7 from the 2017 Bece Model Questions Vol1 Mathematics examination. This question covers Rates .

Bece Model Questions Vol1 2017 Mathematics Essay / Theory
Topic: Rates
Question 7 BECE_MODEL_QUESTIONS_VOL1 • 2017 • MATHEMATICS • essay

A water tank has a capacity of 1200 litres. Pipe A can fill the tank in 8 hours, while pipe B can fill it in 12 hours. Pipe C can empty the tank, and when opened together with pipe A the tank is filled in 10 hours. The tank is initially empty.

Question Parts

( a )
Find the rate at which pipe C empties the tank (in litres per hour).
( b )
If pipe A and pipe C are opened together from the empty tank, after how many hours will the tank be half full?
( c )
The tank is now half full. Pipe B is now opened together with pipe A and pipe C. How long will it take to fill the tank completely from this point?

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About This Question

This is Bece Model Questions Vol1 2017 Mathematics Question 7. It is one of the essay questions from the 2017 Bece Model Questions Vol1 Mathematics examination.

The question covers Rates .

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