Question

8. 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 1

Answer:

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