Question

# In a city, $$40\%$$ of the people are illiterate and $$60\%$$ are poor. Among the rich, $$10\%$$ are illiterate. What percentage of the poor population is illiterate?

A
36%
B
40%
C
60%
D
None of these

Solution

## The correct option is B $$36\%$$Percentage of rich people$$=100\%-60\%=40\%$$Percentage of rich illiterates$$10\%\times40\%=4\%$$Percentage of illiterate people$$=40\%$$Percentage of poor illiterates$$40\%-4\%=36\%$$Maths

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