In a town 45% population read magazine A, 55% magazine B, 40% read Magazine C, 30% read magazines A and B, 15% read magazines B and C, 25% read magazines A and C and 10% read all the three magazines. What percentage do not read any magazine?
Answer: 20%
Explanation
Number of population who read magazine
= (45 + 55 + 40) - (30 + 25 + 15) + 10
= 140 _ 70 + 10
= 80%
Number of population who do not read magazine
= 100 - 80 = 20%
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