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    Question

    The boys and girls in a college are in the ratio 3:2. If

    15% of the boys and 25% of the girls are adults, then adults are approximately how much % less than the non-adults in the college?
    A 77% Correct Answer Incorrect Answer
    B 45% Correct Answer Incorrect Answer
    C 25% Correct Answer Incorrect Answer
    D 30% Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let, the total number of boys and girls are 300 and 200 respectively. Total no. of students = 500 As per the question, Total no. of adult students = 15% of 300 + 25% of 200 = 45 +50=95 Total no. of non adult students = 500 - 95 = 405 ∴ Reqd. % = [(405 - 95)/405] × 100 = 76.54%

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