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    Question

    Ratio of males to females in village β€˜A’ and village

    β€˜B’ is 4:5 and 11:12, respectively and number of females in village β€˜B’ is 25% more than that in village β€˜A’. Find difference between number of males in villages β€˜A’ and β€˜B’ if number of males in village β€˜B’ is 1100.
    A 332 Correct Answer Incorrect Answer
    B 330 Correct Answer Incorrect Answer
    C 342 Correct Answer Incorrect Answer
    D 352 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Number of females in village β€˜B’ = 12/11 Γ— 1100 = 1200 Number of females in village β€˜A’ = 1200/1.25 = 960 Number of males in village β€˜A’ = 4/5 Γ— 960 = 768 Desired difference = 960 – 768 = 332

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