Two pipes can separately fill a tank in 20 hrs and 30 hrs respectively.Both the pipes are opened to fill the tank but when the tank is 1/3rd full a leak develops in the tank through which 1/3rd of the

Two pipes can separately fill a tank in 20 hrs and 30 hrs respectiv

1.	Two pipes can separately fill a tank in 20 hrs and 30 hrs respectively.Both the pipes are opened to fill the tank but when the tank is 1/3rd full a leak develops in the tank through which 1/3rd of the
A.	18hrs
B.	25hrs
C.	30hrs
D.	16hrs
Answer» E.

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Two pipes can separately fill a tank in 20 hrs and 30 hrs respectively.Both the pipes are opened to fill the tank but when the tank is 1/3rd full a leak develops in the tank through which 1/3rd of the

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