A man sitting in a train which is travelling @ 50kmph observes that a goods train, travelling in opposite direction, takes 9 sec to pass him. If the goods trains 280 m long, Find its speed in kmph

 

  • Option 1)

     

    112

     

  • Option 2)

     

    72

     

  • Option 3)

     

    80

     

  • Option 4)

     

    62

     

  • Option 5)

     

    60

     

Answers (1)

(50 + x) x 5/18 = 280/9

250 + 5x = 560

5x = 310

x = 62

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