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    Question

    The marks obtained by A is 25% more than B, and the

    marks obtained by C is 150 more than the difference of the marks obtained by A and B. If C obtained 180 marks, then find the marks obtained by A.
    A 100 Correct Answer Incorrect Answer
    B 160 Correct Answer Incorrect Answer
    C 150 Correct Answer Incorrect Answer
    D 170 Correct Answer Incorrect Answer
    E 159 Correct Answer Incorrect Answer

    Solution

    Let the marks obtained by B be тАШxтАЩ. So, marks obtained by A = 1.25x According to question, (1.25x тАУ x) + 150 = 180 0.25x = 180 тАУ 150 0.25x = 30 x = 30/0.25 x = 120 Therefore, marks obtained by A = 1.25 ├Ч 120 = 150 marks

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