Two trains running in opposite direction cross a man standing on platform in 27 and 17 sec respectively and they crosses each other in 23 sec. The ratio of their speed is

 

  • Option 1)

     

    4:5

     

  • Option 2)

     

    3:2

     

  • Option 3)

     

    3:4

     

  • Option 4)

     

    none

     

  • Option 5)

     

    1:3

     

Answers (1)

If speeds of the trains are x & y.

As per the data,

x/27 + y/17 = x/23 + y/23

x/y = 81/34

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