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    Question

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

    marks obtained by C is 166 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 60 Correct Answer Incorrect Answer
    B 75 Correct Answer Incorrect Answer
    C 80 Correct Answer Incorrect Answer
    D 70 Correct Answer Incorrect Answer
    E 90 Correct Answer Incorrect Answer

    Solution

    Let the marks obtained by B be ‘x’. So, marks obtained by A = 1.25x According to question, (1.25x – x) + 166 = 180 0.25x = 180 - 166 0.25x = 14 x = 14/0.25 x = 56 Therefore, marks obtained by A = 1.25 × 56 = 70 marks

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