In one hour, a boat goes 11km along stream & 5km against the stream. The speed of boat in still water in kmph is:

 

  • Option 1)

     

    7

     

  • Option 2)

     

    5

     

  • Option 3)

     

    8

     

  • Option 4)

     

    9

     

  • Option 5)

     

    3

     

Answers (1)

Upstream Speed = 5 => 5 Kmph

Downstream Speed = 11 => 11 Kmph

Speed Of Boat = (11+5)/2 => 8 Kmph

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