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  • A boat travels upstream from B to A and down strean from A to B in 3 hours. If the speed of boat in

 

A boat travels upstream from B to A and down strean from A to B in 3 hours. If the speed of boat in still is 9 kmph and the speed of the current is 3 kmph, the distance between A and B is?

 

  • Option 1)

     

    10 km

     

  • Option 2)

     

    12 km

     

  • Option 3)

     

    11 km

     

  • Option 4)

     

    8.5 km

     

  • Option 5)

     

    13 km

     

Answers (1)

best_answer

Upstream Speed = 9 - 3 => 6

Downstream Speed =9 + 3 => 12

If Distance = D

D/6 + D/12 = 3

3D/12 = 3

D = 12

Posted by

rishi.raj

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