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      Question

      A train passes an electrical pole in 15 seconds and

      passes a platform 480 m long in 60 seconds. Find the length of the train.
      A 160 m Correct Answer Incorrect Answer
      B 140 m Correct Answer Incorrect Answer
      C 180 m Correct Answer Incorrect Answer
      D 150 m Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let the length of the train be тАШxтАЩ meter. тИ┤ x/15 = (x + 480)/60 тЗТ 60x = 15x + 7200 тЗТ 45x = 7200 тЗТ x = 160 m

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