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In a town of 10000 families, it was foun...

In a town of 10000 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 newspaper. Find
(i) the number of familiar which buy newspaper A only.
(ii) the number of familiar which buy none of A , B and C.

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The correct Answer is:
3300
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