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UPSC NDA II 2018 Mathematics Solved Paper

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Question : 5

Total: 120

If A, B and C are subsets of a Universal set, then which one of the following is not correct?
Where A’ is the complement of A.

A∪(B∩C)=(A∪B)∩(A∪C)
A′∪(A∪B)=(B′∩A)′∪A
A∪(B∪C)=(C′∩B)′∩A
(A∩B)∪C=(A∪C)∩(B∪C)

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