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In a city, 40% of the adults are illiterate while 85% of the children are literate. If the ratio of the adults to that of the children is 2:3, then what percent of the population is literate?

In a city, 40% of the adults are illiterate while 85% of the children are literate. If the ratio of the adults to that of the children is 2:3, then what percent of the population is literate? Correct Answer 75%

Let, Adult = 100; Children = 150 So Ratio of literate = 60 + 85 × 1.5 or 127.5 Total = 60 + 127.5 = 187.5 In 250, literate = 187.5 So In 100, literate = 187.5×100250 = 75

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