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    Question

    A scored 40% marks and failed by 40 marks whereas B

    scored 70% 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 400 Correct Answer Incorrect Answer

    Solution

    Let the total available marks in the examination be 100x. Marks scored by A = 40% of 100x= 40x Marks scored by B = 70% of 100x= 70x According to question, => 40x + 40 = 70x – 80 => 30x = 120 => x = 4 Total marks of the examination = 100x = 400

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