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Two boats start from opposite banks of river perpendicular to the shore. One is faster
then the other. They meet at 720 yards from one of the ends. After reaching opposite ends
they rest for 10mins each. After that they start back. This time on the return journey they
meet at 400yards from the other end of the river. Calculate the width of the river.

  
Total Answers and Comments: 1 Last Update: August 20, 2006     Asked by: Madhusmita_behera 
  
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August 20, 2006 00:48:07   #1  
bhavukchawla Member Since: August 2006   Contribution: 2    

RE: Two boats start from opposite banks of river perpe...
Let us assume that width of river d yards and speed of boats - x and y yards/min respectively.Hence the two equations are :1) (d-720)/x 720/y2) (d/y+10+400/y) (d/x + 10 + (d-400)/x)Solving the two equationsWe get d 1760 yards
 
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