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A man can row at 5 kmph in still water. If the velocity of current is 1 kmph& it takes him 1 hr

 

A man can row at 5 kmph in still water. If the velocity of current is 1 kmph& it takes him 1 hr to row to a place & come back, how far is the place

 

  • Option 1)

     

    4.2 km

     

  • Option 2)

     

    2.5 km

     

  • Option 3)

     

    3 km

     

  • Option 4)

     

    3.6 km

     

  • Option 5)

     

    2.4 km

     

Answers (1)
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Let's assume distance = D

Upstream Speed = 5-1 => 4 Kmph

Downstream Speed = 5 + 1 => 6 Kmph

As per the given data,

D/4 + D/6 = 1

D = 12/5 or 2.4 Km

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