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Home Questions & Answers Aptitude Problems on Trains Question Answers A train crossed a platform in 43 seconds. The length of the train is 170 metres. What is the speed of the train?

    A train crossed a platform in 43 seconds. The length of the train is 170 metres. What is the speed of the train?

  • 233 km./hr.
  • 243 km./hr.
  • 265 km./hr.
  • Cannot be determined
  • None of these
  • Explanation:

    When a train crosses a platform, the distance covered = Sum of lengths of train and platform. Speed of train = (170 + Length of Platform)/43 The length of the platform is not known. hence, we cannot find the answer