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      Question

      Train X (150 m) passes a platform of 210 m in 18

      seconds. The ratio of the speed of train X to train Y is 2:3. Determine the length of train Y if it takes 14 seconds to cross a pole.
      A 200 m Correct Answer Incorrect Answer
      B 420 m Correct Answer Incorrect Answer
      C 120 m Correct Answer Incorrect Answer
      D 330 m Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Speed of train X = (150 + 210) / 18 = 20 m/sec

      Speed of train Y = (20 Γ— 3) / 2 = 30 m/sec

      Length of train Y = 30 Γ— 14 = 420 m

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