In a town of 10 000 farnilies it was found that 40% families buy newspaper A 20% families buy newspaper B and 10% families by newspaper C .5% families buy A and B 3% buy B and C and 4% buy A and C .If 2% families buy all the three newspapers find the no of families which buy(1) A only (2) B only (3) none of A B and C (4) exactly two newspapers (5) exactly one newspaper (6) A and C but not B (7) at least one of A B C. What is the importance of reading newspaper?
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Pentagon have 5 sides
Sorry I don't know
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