Gurmit can row a certain distance downstream in 5 hours and return the – InterviewSolution

InterviewSolution

1.

Gurmit can row a certain distance downstream in 5 hours and return the same distance in 12 hours. If the stream flows at the rate of 4 km per hour, find the speed of Gurmit in still water.

Answer»

9 5/7 KM/h

Let the distance covered by GURMIT be D km and X be the SPEED of Gurmit in still water.
Then, D/x-4 = 12h …….(i)
&
D/x+4 = 5H

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