A man can row at a speed of 7 kmh- 1 in still water to a certain po – McqOptions

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1.	A man can row at a speed of 7 kmh- 1 in still water to a certain point upstream and back to the starting point in a river, whose speed of flowing is 3 kmh'. What is his average speed in the total jour
A.	2 5/7 kmh-1
B.	3 5/7 kmh-1
C.	4 5/7 kmh-1
D.	5 5/7 kmh-1
Answer» E.

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