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Discussion :: Boats and Streams

  1. A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
    2. A.

    2 hours
    B.

    3 hours
    C.

    4 hours
    D.

    5 hours

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    Answer : Option C

    Explanation :

    Speed downstream = (13 + 4) km/hr = 17 km/hr.

     

    Time taken to travel 68 km downstream =\([\frac { 68 } {17 }]\)hrs = 4 hrs.

     

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