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      Question

      Train B crosses Train A, which is approaching from the

      opposite direction, in 28 seconds. If the combined length of Train A and Train B is 2240 meters, and Train A is moving at a speed of 32 m/s, what is the speed of Train B?
      A 28 m/s Correct Answer Incorrect Answer
      B 18 m/s Correct Answer Incorrect Answer
      C 48 m/s Correct Answer Incorrect Answer
      D 68 m/s Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Relative speed of train ‘B’ w.r.t. train ‘A’ = 2240/28 = 80 m/s Speed of train ‘B’ = 80 – 32 = 48 m/s

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