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In a town of 10,000 families it was found that 40% families buy newspaper A, 20% families buy newspaper B, 10% families buy 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(a) The number of families which buy newspaper A only.(b) The number of families which buy none of A, B and C |
Answer» (a) The number of families which buy newspaper A only. Answers is 3300 (b) The number of families which buy none of A, B and C Answers is 4000 |
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