A boat covers a certain distance downstream in 4 hours, but takes 6 hours to return to the starting point. What is the ratio of speed of stream to the speed of the boat in still water?

A boat covers a certain distance downstream in 4 hours, but takes 6 ho

1.	A boat covers a certain distance downstream in 4 hours, but takes 6 hours to return to the starting point. What is the ratio of speed of stream to the speed of the boat in still water?
A.	5 : 1
B.	4 : 3
C.	1 : 4
D.	1 : 5
Answer» E.

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A boat covers a certain distance downstream in 4 hours, but takes 6 hours to return to the starting point. What is the ratio of speed of stream to the speed of the boat in still water?

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