A boat takes 4 hours for travelling downstream from point A to point B and coming back to pint A upstream. If the velocity of the stream is 2 Km/hr and the speed of the boat in still water is 4 Km/hr.

A boat takes 4 hours for travelling downstream from point A to poin

1.	A boat takes 4 hours for travelling downstream from point A to point B and coming back to pint A upstream. If the velocity of the stream is 2 Km/hr and the speed of the boat in still water is 4 Km/hr.
A.	6 Km
B.	7 Km
C.	9 Km
D.	8 Km
Answer» D. 8 Km

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A boat takes 4 hours for travelling downstream from point A to point B and coming back to pint A upstream. If the velocity of the stream is 2 Km/hr and the speed of the boat in still water is 4 Km/hr.

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