Question

A pool has a uniform circular cross section of radius 5 metre and uniform Dept 1.4 metre it is filled by a pipe which delivers water @ 20 litre per second calculate in minutes the time taken to fill the pool.
If the pool is emptied in 42 min by another cylindrical pipe through which water flows at 2 metre per sec , calculate radius of pipe in cm

Nov 20, 2016

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