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Discussion :: Boats and Streams

  1. The speed of a boat in upstream is 60 kmph and the speed of the boat downstream is 80 kmph. Find the speed of the boat in still water and the speed of the stream?
    2. A.
    70, 10 kmph
    B.
    35, 27 kmph
    C.
    50, 60 kmph
    D.
    45, 55 kmph

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    Answer : Option A

    Explanation :

    Speed of the boat in still water = (60+80)/2 = 70 kmph. Speed of the stream = (80-60)/2 = 10 kmph.

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