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A tank has a leak at its bottom which empties it at 6 litres/minutes. It also has a filling tap which can fill the tank in 6 hours. The tank takes 18 hours to become full. Find the capacity of the tank.

A.	3130 litres	B.	3240 litres
C.	3340 litres	D.	3000 litres

Answer and Explanation

Answer:3240 litres

Explanation:
Explanation: Let the time that would be taken by the leak to empty the full tank be
=> x hours ,
=> 1/6 – 1/x = 1/18
=> x = 9
Capacity of the tank = (6) (9) (60) = 3240 litres

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