Question

    The ratio of number of boys and girls in a factory of

    460 workers is 7:3. How many more girls should be joined to make the ratio 1:1?
    A 120 Correct Answer Incorrect Answer
    B 184 Correct Answer Incorrect Answer
    C 140 Correct Answer Incorrect Answer
    D 240 Correct Answer Incorrect Answer

    Solution

    Number of boys = (460 × 7/10) = 322 Number of girls = (460 - 322) = 138 ∴    Number of girls to be joined = (322 - 138) = 184

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