A boat takes 4 hr upstream and 2 hr down the stream for covering the same distance. The ratio of velocity of boat to the water in river is

A boat takes 4 hr upstream and 2 hr down the stream for covering the s

1.	A boat takes 4 hr upstream and 2 hr down the stream for covering the same distance. The ratio of velocity of boat to the water in river is
Answer» `1:3` `3:1` `1:SQRT(3)` `sqrt(3) :1` ANSWER :B