Two trains are moving in the same direction at 50km/hr and 30km/hr.The faster train  crosses a man in the slower train in 18s.Find length of the faster train.

  • 200
  • 100
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  • Explanation:

    Relative speed=20km/hr=(20*5)/18=50/9

    Time of slower train=18s

    Length=(50/9)*18=100m

Two trains are moving in the same direction at 50km/hr and 30km/hr.The faster train  crosses a
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