A man can row 18 kmph in still water. It takes him thrice as long to row up as to row down the river. Find the rate of stream.

A man can row 18 kmph in still water. It takes him thrice as long to r

1.	A man can row 18 kmph in still water. It takes him thrice as long to row up as to row down the river. Find the rate of stream.
A.	3 km/hr
B.	6 km/hr
C.	9 km/hr
D.	12 km/hr
Answer» D. 12 km/hr

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A man can row 18 kmph in still water. It takes him thrice as long to row up as to row down the river. Find the rate of stream.

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