According to a survey conducted in a city, 25% were doctors, 30% engineers, 15% businessmen and rest were illiterates. What is the number of illiterates if the total population of the city is 5000?
Options:
A. 2000
B. 1500
C. 1000
D. 500

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Answer: Option B
: B

Given: Out of total population, 25% were doctors, 30% engineers, 15% businessmen and rest were illiterates.

Hence, percentage of illiterates =100(25+30+15)=30%
So, number of illiterates =30% of 5000
=30100×5000
=1500

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