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    Question

    Ratio of males to females in village ‘A’ and village

    ‘B’ is 4:5 and 19:20, respectively and number of females in village ‘B’ is 25% more than that in village ‘A’. Find difference between number of males in villages ‘A’ and ‘B’ if number of males in village ‘B’ is 950.
    A 300 Correct Answer Incorrect Answer
    B 320 Correct Answer Incorrect Answer
    C 310 Correct Answer Incorrect Answer
    D 330 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Number of females in village ‘B’ = 20/19 × 950 = 1000 Number of females in village ‘A’ = 1000/1.25 = 800 Number of males in village ‘A’ = 4/5 × 800 = 640 Desired difference = 800 – 640 = 310

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