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In a college, the ratio of boys to girls is 31 : 23 respectively. When 75 more girls join the college, this ratio...
Solution
Given ratio of boys and girls = 31 : 23Let number of boys = 31aLet number of girls = 23aThe ratio after addition of 75 girls = 124 : 107Therefore 31a : (23a + 75) = 124 : 107
Total number of...
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