A boat covers a certain distance downstream in 1 hour, while it comes back in 1(1/2) hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?

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

1.	A boat covers a certain distance downstream in 1 hour, while it comes back in 1(1/2) hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?
A.	12 kmph
B.	13 kmph
C.	14 kmph
D.	15 kmph
Answer» E.

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A boat covers a certain distance downstream in 1 hour, while it comes back in 1(1/2) hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?

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