Question
The ratio of number of boys and girls in a factory of
600 workers is 7:3. How many more girls should be joined to make the ratio 1:1?Solution
Number of boys = (600 × 7/10) = 420 Number of girls = (600 - 420) = 180 ∴    Number of girls to be joined = (420 - 180) = 240
More Ratio and proportion Questions
Which method is used by Hicks to eliminate the income effect when price of a product is changed
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