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      Question

      Ratio of the lengths of two trains โ€˜Xโ€™ and โ€˜Yโ€™

      is 5:7 respectively and the ratio of time taken by them to cross a pole is 2:3 respectively. If speed of train โ€˜Xโ€™ is 105 km/h, then find the speed of train โ€˜Yโ€™.
      A 84 km/h Correct Answer Incorrect Answer
      B 105 km/h Correct Answer Incorrect Answer
      C 112 km/h Correct Answer Incorrect Answer
      D 98 km/h Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Speed of Train Y = 105 ร— (7/3) ร— (2/5) => 105 ร— 14/15 = 98 km/h

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