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      Question

      A scored 50% marks and failed by 60 marks whereas B

      scored 80% marks, which was 90 more than the passing marks of the examination. Find the total marks of the examination.
      A 600 Correct Answer Incorrect Answer
      B 450 Correct Answer Incorrect Answer
      C 500 Correct Answer Incorrect Answer
      D 400 Correct Answer Incorrect Answer

      Solution

      Let the total available marks in the examination be 100x. Marks scored by A = 50% of 100x = 50x Marks scored by B = 80% of 100x = 80x According to question, => 50x + 60 = 80x – 90 => 30x = 150 => x = 5 Total marks of the examination = 100x = 500

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