30.0There are 100 families in a society, 40 families buy newspaper A, – InterviewSolution

1.	30.0There are 100 families in a society, 40 families buy newspaper A, 30families buy newspaper B, 30 families buy newspaper C, 10 buy A and B,8buy B and C, 5 buy A and C, 3 families buy newspapers A, B and C, thenthumber of families who do not buy my newpepec is
Answer» so the answer is 20

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