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      Question

      A 360 m long train crosses a platform twice its length

      in 3 min. Find the speed of the train. Section 1
      A 4 m/s Correct Answer Incorrect Answer
      B 5 m/s Correct Answer Incorrect Answer
      C 6 m/s Correct Answer Incorrect Answer
      D 7 m/s Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Speed of train = (Length of train + Length of Platform)/Required time Length of train = 360 m Crossing time of platform = 3 ร— 60 = 180 sec Length of platform = 360 ร— 2 = 720 m Let the speed of train be x. Speed of train = (360 + 720)/180 โ‡’ ย x = 6 m/s

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