Question

A swimming pool is fitted with three pipes with uniform flow. The first two pipes operating simultaneously, fill the pool in the same time during which the pool is filled by the third pipe alone. The second pipe fills the pool 10 hours faster than the first pipe and 8 hours slower than the third pipe. Find the time required by second pipe to fill the pool.
(1) 10 hrs
(2) 12 hrs
(3) 20 hrs
(4) 30 hrs

Answer 1

10 hrs
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