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      Question

      There are two trains A and B. A start from point

      X at 7 AM towards point Y. Another train B starts at 10 AM from point X. If they meet at 12 PM and speed of A is 60 km/hr, while that of B is 50 km/hr. Find distance between X and Y.
      A 200 km Correct Answer Incorrect Answer
      B 600 km Correct Answer Incorrect Answer
      C 400 km Correct Answer Incorrect Answer
      D 700 km Correct Answer Incorrect Answer
      E 440 km Correct Answer Incorrect Answer

      Solution

      Speed of train A = 60 kmph
      Speed of train B = 50 kmph
      Time taken by train A to meet train B at 12 PM = 5 hrs
      Time taken by train B to meet train A at 12 PM = 2 hrs
      Distance travelled by train A = 5 × 60 = 300 km
      Distance travelled by train B = 2 × 50 = 100 km
      Therefore, total distance between X and Y = 300 + 100 = 400 km

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