πŸ“’ Too many exams? Don’t know which one suits you best? Book Your Free Expert πŸ‘‰ call Now!

  • google app store apple app store
  • βœ–

      Question

      A train running with a speed of 81 km/hr can cross a

      pole in 13 seconds and a platform in 19 seconds. Find the length of the platform.
      A 140 metres Correct Answer Incorrect Answer
      B 100 metres Correct Answer Incorrect Answer
      C 135 metres Correct Answer Incorrect Answer
      D 180 metres Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Speed of the train = 81 Γ— (5/18) = 22.5 m/sec Length of the train = 22.5 Γ— 13 = 292.5 metres Let the length of the platform be β€˜x’ metres Therefore, 292.5 + x = 22.5 Γ— 19 Or, x = 427.5 – 292.5 = 135 metres

      Practice Next
      ask-question