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    • Question

      A train of length 540 metres crosses a man standing on

      platform in 18 seconds. If its speed decreases by 33⅓%, then find the time taken by train to cross a platform of length 660 metres.
      A 54 seconds Correct Answer Incorrect Answer
      B 56 seconds Correct Answer Incorrect Answer
      C 58 seconds Correct Answer Incorrect Answer
      D 60 seconds Correct Answer Incorrect Answer
      E 62 seconds Correct Answer Incorrect Answer

      Solution

      Speed of train = (540 ÷ 18) = 30 m/s New speed of train = (2/3) × 30 = 20 m/s Required time = (540 + 660) ÷ 20
      = 1200 ÷ 20
      = 60 seconds

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