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    Question

    Total population of city P and Q is 3740 and 4320

    respectively. If the ratio of number of males to females in city is P and Q is 6:5 and 5:4 respectively, then find the difference between number of males in city P and number of females in city Q.  
    A 380 Correct Answer Incorrect Answer
    B 120 Correct Answer Incorrect Answer
    C 220 Correct Answer Incorrect Answer
    D 190 Correct Answer Incorrect Answer
    E 160 Correct Answer Incorrect Answer

    Solution

    Number of males in city P = 6/11 x 3740 = 2040 & number of females in city Q = 4/9 x 4320 = 1920 Desired difference = 2040 – 1920 = 120

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