A survey is conducted among 105 people. Among them 47 people have TVs, 59 people have ACs and 38 people have cars. 16 people have both a T.V and an A.C, 15 people have both a A.C and a car and 17 people have both a car and a T.V. Each of them has at least one of the three.
38. How many people have all the three? (1) 10 (2) 8 (3) 9 (4) 7
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9 as 59-38=21, 38-21=19-10=9
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9 is the answer hope it is clear and helpful
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