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    Question

    Total population of city P and Q is 4030 and 6300

    respectively. If the ratio of number of males to females in city is P and Q is 9:4 and 4:3 respectively, then find the difference between number of males in city P and number of females in city Q. ┬а
    A 160 Correct Answer Incorrect Answer
    B 80 Correct Answer Incorrect Answer
    C 90 Correct Answer Incorrect Answer
    D 190 Correct Answer Incorrect Answer

    Solution

    Number of males in city P = 9/13 x 4030 = 2790 & number of females in city Q = 4/7 x 6300 = 2700 Desired difference = 2790 тАУ 2700 = 90

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