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?Solution
Number of boys = (460 × 7/10) = 322 Number of girls = (460 - 322) = 138 ∴    Number of girls to be joined = (322 - 138) = 184
2, 4, 16, 48, 240, 1440, 10080
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25, 36, 50, 68, 92, 120 1, 18, 44, 81, 131, 198
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11, 12, 67, 28, 219, 53
12, 3.6, 18, 0.72, 0.432, 0.3024
131, 132, 140, 166, 231, 356Â
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1759, 1765, 1785, 2047, 2099, 2209
15, 27, 51, 99, 193, 387
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1116, 1135, 1158, 1187, 1224, 1278.