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      Question

      A train running at 76 km. an hour passes a

      man in 6 seconds who is walking at 4 km per hour in the same direction. Find the length of the train.
      A 133 1/3m Correct Answer Incorrect Answer
      B 120m Correct Answer Incorrect Answer
      C 110m Correct Answer Incorrect Answer
      D 100m Correct Answer Incorrect Answer

      Solution

      As both are moving in the same direction, the relative speed of train = 76 - 4 = 72 km./hrs. length of train = speed × time [if gte vml 1]> [if !vml]-->`(72xx1000)/(60xx60)xx6 = 120m` [endif]-->

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