A man can row at 6 km/h in still water. He takes twice as long to row a certain distance upstream as to row the same distance downstream. Find the speed of the stream (in km/h).

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Accepted Answer

2. Time up = 2 × time down means (6+s)/(6−s) = 2, so 6+s = 12−2s, giving s = 2 km/h.

A man can row at 6 km/h in still water. He takes twice as long to row a certain distance upstream as to row the same distance downstream. Find the speed of the stream (in km/h).

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