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ATQ, Number of students in P:Q:R= 30: 25: 39 Number of girls Students in P = 30x × (5/12) = 12.5x Number of girls Students in Q = (3/5) × 25x = 15x Number of female employees in C = 39x × (6/13) = 18x Required percentage = (12.5x + 15x + 18x)/94x × 100 = (45.5x/94x) × 100 = 48%
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Incomes of company A and company B are in the ratio of 4:7. Had the income of company A been more by Rs.15 lakh, the ratio of their incomes would have b...
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