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      Question

      A train 120 m long runs at a speed of 54 km/h. How much

      time will it take to cross a telegraph pole?  (Use 1 km/h = 5/18 m/s)
      A 5 secs Correct Answer Incorrect Answer
      B 8 secs Correct Answer Incorrect Answer
      C 2 secs Correct Answer Incorrect Answer
      D 9 sec Correct Answer Incorrect Answer

      Solution

      ATQ, Speed in m/s = 54 * (5/18) = 15 m/s Distance to cross a pole = length of train = 120 m Time = Distance / Speed = 120 / 15 = 8 secs

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