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      Question

      A train whose speed is 40 m/s crosses a bridge in 20

      seconds. Another train which is 80m shorter than the first train crosses the same bridge at the speed of 72 km/hr. Find the time taken by the second train to cross the bridge.
      A 30 sec Correct Answer Incorrect Answer
      B 44 sec Correct Answer Incorrect Answer
      C 36 sec Correct Answer Incorrect Answer
      D 42 sec Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

       

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