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    Question

    In a city of population 7200, the ratio of males to

    females is 11:7. If 400 females join the city, the ratio becomes 33:x. Find the value of (33 тИТ x).
    A 7 Correct Answer Incorrect Answer
    B 9 Correct Answer Incorrect Answer
    C 5 Correct Answer Incorrect Answer
    D 3 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Number of males = {11/(11 + 7)} ├Ч 7200 = 4400 Number of females = {7/(11 + 7)} ├Ч 7200 = 2800 According to question, 4400 : (2800 + 400) = 33 : x 4400 : 3200 = 33 : x 11 : 8 = 33 : x Therefore, x = 24 So, (33 тИТ x) = 33 тИТ 24 = 9

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