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Discussion

  1. A train which is 264 meter long passes a pole in 12 sec. Find out the speed of train?
    1. 80 km/hr
    2. 80.6 km/hr
    3. 82.2 km/hr
    4. 79.2 km/hr
  1. Correct Option: D

    Length of train = 264 m

    Time taken to cross the pole = 12 sec

    Speed of the train, in m/sec = Length of the train/ Time taken to cross the pole

    Therefore, speed in m/sec= (264 / 12) m/sec = 22 m /sec

    Calculating speed in km/ hour = (22 m/sec ) x 18/5 = 396/5 km/hr = 79.2 km/ hour



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