Question

    In a class of 91 students, the ratio of the number of

    boys to that of girls is 12 : 11. The average score of girls, in a test, is 33(1/3)%  more than that of boys. If the average score of all students is 80, then what is the average score of girls?
    A 88 Correct Answer Incorrect Answer
    B 84 Correct Answer Incorrect Answer
    C 92 Correct Answer Incorrect Answer
    D 96 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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