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    Question

    There are 100 students in a class, out of which 70% are

    girls and others are boys. The average score of girls in a test is 20% more than that of boys. If the average score of all the students is 57, then what is the average score of girls?
    A 60 Correct Answer Incorrect Answer
    B 50 Correct Answer Incorrect Answer
    C 45 Correct Answer Incorrect Answer
    D 75 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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