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Instructions
In a survey conducted on 50000 people the percentage of people who read newspapers A,B,C are given in the form of square, circle, triangle respectively
Solution
total percent of people reading at least one of A , B, C =92%
thus 8% do not read A, B, C.
=> no. of people who do not read papers A, B or C =8% of 50,000=4000
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