Question

    Total population of city P and Q is 3150 and 3640

    respectively. If the ratio of number of males to females in city is P and Q is 5:4 and 4:3 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

    Solution

    Number of males in city P = 5/9 x 3150 = 1750 & number of females in city Q = 3/7 x 3640 = 1560 Desired difference = 1750 – 1560 = 190

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