A boat takes half time in moving a certain distance downstream than upstream. What is the ratio between the rate in still water and rate of current?

A boat takes half time in moving a certain distance downstream than u

1.	A boat takes half time in moving a certain distance downstream than upstream. What is the ratio between the rate in still water and rate of current?
A.	1 : 2
B.	3 : 1
C.	2 : 1
D.	1 : 3
Answer» C. 2 : 1

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A boat takes half time in moving a certain distance downstream than upstream. What is the ratio between the rate in still water and rate of current?

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