Two trains of length 300 m and 200 m, traveling a t 36 km/hr and 54 km/hr respectively, enter a

Answers (1)

Two trains of length 300 m and 200 m, traveling a t 36 km/hr and 54 km/hr respectively, enter a two track tunnel  400 m simultaneously on different tracks and from opposite directions. After they have crossed each other, in how much time will tunnel be free of traffic?

  • Option 1)

    18 second

  • Option 2)

    15 second

  • Option 3)

    30 second

  • Option 4)

    34 second

  • Option 5)

    20 second

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