A tank can be filled with water by two pipes M and N together in 42 minutes. If the pipe N was closed after 35 minutes, the tank is filled in 49 minutes.The pipe N can alone fill the tank in?

Question

A tank can be filled with water by two pipes M and N  together in 42 minutes. If the pipe N was closed after 35  minutes, the tank is filled in 49 minutes.The pipe N can  alone fill the tank in?

Examsnet · Accepted Answer

Correct Answer is :  84 minutes

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