Question
The total strength of school A is 30% more than that of
school B. In school A and B, out of total number of students, 20% and 35% respectively are girls. The number of boys in school A is how much percent more/less than that in school B?Solution
Let the total number of students in school B be ‘x’. Therefore, total number of students in school A = 1.3x Number of boys in school A = 0.80 × 1.3x = 1.04x Number of boys in school B = 0.65x Required % = [(1.04x – 0.65x)/0.65x] × 100 = 60%
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