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    Question

    In a school consisting of 750 students, the ratio of boys

    to girls is 3:2. If 14% of the boys and 10% of the girls failed in the semester exam, how many students failed in total?
    A 40 Correct Answer Incorrect Answer
    B 60 Correct Answer Incorrect Answer
    C 93 Correct Answer Incorrect Answer
    D 85 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Number of boys = (3/5) × 750 = 450

    Number of girls = (2/5) × 750 = 300

    Required number of students = 0.14 × 450 + 0.10 × 300 = 63 + 30 = 93

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