In a city, 40% of the people are illiterate and 60% are poor. Among the rich, 10% are illiterate. What percent of the poor population is illiterate?
Solution
Correct Answer: Option A
Percentage of rich people = 100%−60% = 40%
Percentage of rich illiterates = 10%×40% = 4%
Percentage of illiterate people = 40%
∴ Percentage of poor illiterate = 40%−4% = 36%
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