A boat covers a certain distance downstream in 1 hour, while it comes back in 1 hours. If the speed of the stream be 3 km/hr, what is the speed of the boat in still water?

A boat covers a certain distance downstream in 1 hour, while it com

1.	A boat covers a certain distance downstream in 1 hour, while it comes back in 1 hours. If the speed of the stream be 3 km/hr, what is the speed of the boat in still water?
A.	12 km/hr
B.	13 km/hr
C.	14 km/hr
D.	15 km/hr
Answer» E.

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A boat covers a certain distance downstream in 1 hour, while it comes back in 1 hours. If the speed of the stream be 3 km/hr, what is the speed of the boat in still water?

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