A man can row three quarters of a kilometre against the stream in 11 1/4 minutes and down the stream in 7 1/2 minutes. The speed (in km/hr) of the man in still water is

A man can row three quarters of a kilometre against the stream in 1

1.	A man can row three quarters of a kilometre against the stream in 11 1/4 minutes and down the stream in 7 1/2 minutes. The speed (in km/hr) of the man in still water is
A.	2 kmh-1
B.	3 kmh-1
C.	4 kmh-1
D.	5 kmh-1
Answer» E.

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A man can row three quarters of a kilometre against the stream in 11 1/4 minutes and down the stream in 7 1/2 minutes. The speed (in km/hr) of the man in still water is

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