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Previous Year Question (PYQs)

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?




Solution

Let the number of adults and children be 2x and 3x
Literate population = 60% of 2x + 85% of 3x = 
 Required % =    100% = 75 %

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