What is the Speed of the Train? If

A 120 mts long train crosses a tree in 6 seconds. What is the speed of the train in kilometer per hour?

  1. 60 km/hr
  2. 75 km/hr
  3. 90 km/hr
  4. 72 km/hr
Monis Rasool Professor Asked on 28th July 2015 in Maths.
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  • 1 Answer(s)

    Answer: (4) 72 km/hr
    Explanation:-
    The length of the train = 120 m
    Time taken by train to crosses a tree = 6 sec

    Then, the speed of the train = 120/6
    = 20 m/sec

    Speed in km/hr = 20 x 18/5
    = 4 x 18
    = 72 km/hr
    Hence, the answer is (4) 72 km/hr.

    Anurag Mishra Professor Answered on 28th July 2015.
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