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      Question

      A train is moving at a constant speed of 234 km/hr. It

      takes 8 seconds to pass a pole and 18 seconds to cross a platform. Calculate the difference between the lengths of the platform and the train.
      A 130 m Correct Answer Incorrect Answer
      B 160 m Correct Answer Incorrect Answer
      C 220 m Correct Answer Incorrect Answer
      D 260 m Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Length of the train = 234 × (5/18) × 8 = 65 × 8 = 520 metres Let the length of the platform be ‘l’ metres Therefore, 520 + l = 65 ×18 Or, l = 1170 – 520 = 650 metres Required difference = 650 – 520 = 130 metres

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