1.

Let Universal set U is {1, 2, 3, 4, 5, 6, 7, 8}, (Complement of A) A is {2, 5, 6, 7}, A B is {1, 3, 4} then the set B will surely have of which of the element?

A. 8
B. 7
C. 1
D. 3
Answer» B. 7


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