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Discussion :: Boats and Streams

  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?
    2. A.
    1 : 2
    B.
    3 : 1
    C.
    2 : 1
    D.
    1 : 3

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    Answer : Option B

    Explanation :

    Let the speed of the boat in still water be 4 km/hr and speed of the current be u km/hr. 


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