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      Question

      Gatiman express train crosses a platform in 30 seconds

      while it can cross a pole in 12 seconds. If the speed of the Gatiman express is 36 m/s, then find the length of the platform?
      A 628 Correct Answer Incorrect Answer
      B 638 Correct Answer Incorrect Answer
      C 648 Correct Answer Incorrect Answer
      D 668 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Length of the train = 30 ร— 12 = 360 metres Let the length of the platform be โ€˜pโ€™ metres ATQ; p + 300 = 36 ร— 30 Or, p = 1080 โ€“ 300 Or, p = 648

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