A man can row a boat 18 km downstream in 4 hours. is farmed and takes – McqOptions

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1.	A man can row a boat 18 km downstream in 4 hours. is farmed and takes 12 hours to come back upstream, the speed of the stream (in kmph) is -
A.	2
B.	7
C.	9
D.	1.5
Answer» E.

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