Question
In a department 20% of the employees are females. 40% of
the male employees know Hindi. The total number of employees who know Hindi is 46%. Find the percentage of females employees who know Hindi.Solution
Let the total number of people in the department = 100x  Given, females = 20% = (20x), males = 80% = (80x)  40% of males know Hindi = 40% of 80x = 32x  Total number of employees who know Hindi = 46% of 100x = 46x  Total females who know Hindi = 46x - 32x = 14x  Percentage of females who know Hindi = (14x/20x) × 100 = 70%
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