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Home  >>  AIMS  >>  Class11  >>  Math  >>  Sets
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X, Y are two sets and X has 40 elements, X $ \cup $ Y has 60 elements and X $ \cap $ Y has 10 elements. Then the number of elements in Y is

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Hence (A) is the correct answer.
answered Jun 22, 2014 by thanvigandhi_1

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