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    Question

    A college has 720 students with a boy to girl ratio of 2:1.

    If the ratio of boys who passed to failed is 5:1 and for girls it is 3:2, find the total number of students who cleared the exam.
    A 760 Correct Answer Incorrect Answer
    B 610 Correct Answer Incorrect Answer
    C 544 Correct Answer Incorrect Answer
    D 375 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Number of boys = (2/3) × 720 = 480

    Number of girls = (1/3) × 720 = 240

    Required number of students = (5/6) × 480 + (3/5) × 240 = 400 + 144 = 544

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