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04-20-2008, 09:58 AM
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| maths SETS Help? 1)In a survey it was found that 21 people liked product A,26 liked product B and 29 liked product C.If 14 people liked products A and B ,12 liked products C and A,14 liked products B and C and 8 liked all the three products.Find how many liked product C only. 2)In a survey of 60 people,it was found that 25 people read newspaper H ,26 read newspaper T, 26 read I, 9 read both H and I, 11 read both H and T,8 read both T and I,3 read all three newspapers.Find.a)the number of people who read at least one of the newspapers. b)the number of people who read exactly one newspaper      |
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