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Discussion :: Boats and Streams

  1. A person can row at 9 kmph and still water. He takes 4 1/2 hours to row from A to B and back. What is the distance between A and B if the speed of the stream is 1 kmph?
    2. A.
    32 km
    B.
    25 km
    C.
    28 km
    D.
    24 km
    E.
    None of these

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    Workspace

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    Answer : Option E

    Explanation :

    Let the distance between A and B be x km.

    Total time = x/(9 + 1) + x/(9 - 1) = 4.5

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