Question

A pipe can fill a tank in 8 hours. However, in case of outflow from a waste pipe in the
bottom, the tank is filled in 12 hours. If the tank is full, how much time will the waste
pipe take to empty it?​

Answer 1

Step-by-step explanation:

Given that the pipe can fill a tank without any leak in 12 hrs.

Work done without leak in 1 hour = 1/12.

Given that the waste pipe can fill a tank with leak in 16 hrs.

Work done with leak in 1 hour = 1/16.

Now,

Work done by leak in 1 hour = 1/12 - 1/16

                                               = 4 - 3/48

                                               = 1/48.

So, the total time taken to empty it = 48 hours.

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Answer 2

Answer:

4 hours will take to empty it

Step-by-step explanation:

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