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Home  >>  AIMS  >>  Class11  >>  Math  >>  Sets
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If X and Y are two sets such that X $ \cup $ Y has 18 elements, X has 8 elements and Y has 15 elements; how many elements does X $ \cap $ Y have?

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n(X $ \cap $ Y) = 5
Hence (B) is the correct answer.
answered Jun 19, 2014 by thanvigandhi_1

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