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 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 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
E.	None of these
Answer» E. None of these

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