A man can row a distance of 900 metres against the stream in 12 minutes and returns to the starting point in 9 minutes. What is the speed (in km/h) of the man in still water?

A man can row a distance of 900 metres against the stream in 12 minute

1.	A man can row a distance of 900 metres against the stream in 12 minutes and returns to the starting point in 9 minutes. What is the speed (in km/h) of the man in still water?
A.	\(5\frac{1}{4}\)
B.	\(4\frac{1}{2}\)
C.	6
D.	5
Answer» B. \(4\frac{1}{2}\)

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A man can row a distance of 900 metres against the stream in 12 minutes and returns to the starting point in 9 minutes. What is the speed (in km/h) of the man in still water?

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