MathematicsSetsJAMB
If A = {1, 2, 3, 4} and B = {3, 4, 5}, find A ∩ B′ (the elements of A that are not in B).
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Answer: B. {1, 2}
Remove 3 and 4 (which are in B) from A, leaving {1, 2}.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.