A person can row a boat at the rate of 5km per hr in still water. He takes thrice as much time in going 40 km upstream as in going 40 km downstream. Find the speed of the stream.

Asked by Shubhangi Gauraha | 15th Sep, 2013, 09:39: PM

Expert Answer:

Answered by  | 15th Sep, 2013, 09:51: PM

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