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U = {1, 2, 3, 4, 5, 6} and A = {2, 4, 6}. Find A′ in U.

A{1, 2, 3}
B{1, 3, 5}
C{4, 5, 6}
D{2, 4, 6}
Answer & Solution
Correct answer: B. {1, 3, 5}
The elements of U outside A are 1, 3 and 5.
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