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    Question

    A scored 45% marks and failed by 55 marks whereas B

    scored 75% marks, which was 80 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 300 Correct Answer Incorrect Answer

    Solution

    Let the total available marks in the examination be 100x. Marks scored by A = 45% of 100x= 45x Marks scored by B = 75% of 100x= 75x According to question, => 45x + 55 = 75x – 80 => 30x = 135 => x = 4.5 Total marks of the examination = 100x = 450

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