Multiple choice

A leak in the bottom of the container can empty it in 6 hours. A pipe fills in the container at the rate of 4 litres/minute. When the container is full, the inlet in opened but due to the leak, the container is emptied in 8 hours. What is the capacity of the tank?

  1. 8590 litres

  2. 5000 litres

  3. 3750 litres

  4. 2440 litres

  5. 5760 litres
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

It is the correct answer. Solution : Combined 1 hour work of the inlet and leak is 1/8 hour. 1 hour work of inlet = 1/x 1/6 - 1/x = 1/8 x = 24 hour Rate of inlet = 4 litre/minute = 240 litre/hr Capacity of the container = 24*240=5760 litre

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