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.

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

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.
A.	7 5/7 km/h
B.	8 5/7 km/h
C.	9 5/7 km/h
D.	10 5/7 km/h
Answer» D. 10 5/7 km/h

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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.

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