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      Question

      Two trains approach each other at 25 kmph and 35 kmph

      from two places 240 km apart. After how many hours they will meet?
      A 4 hrs Correct Answer Incorrect Answer
      B 6 hrs Correct Answer Incorrect Answer
      C 5.33 hrs Correct Answer Incorrect Answer
      D 7.22 hrs Correct Answer Incorrect Answer

      Solution

      Let the time be x hrs. => 25x + 35x = 240 => 60x = 240 => x = 240/60 = 4 hrs

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