A person can row 71 km an hour in still water and he finds 2that it takes him twice as long to row up as to row down the river. The speed of the stream is :

A person can row 71 km an hour in still water and he finds 2that it ta

1.	A person can row 71 km an hour in still water and he finds 2that it takes him twice as long to row up as to row down the river. The speed of the stream is :
A.	2 km/hr
B.
C.	3 km/hr
D.
Answer» D.

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