MathematicsSetsJAMB
U = {1, 2, 3, …, 10} and A is the set of even numbers in U. Find n(A′).
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Answer: C. 5
A = {2, 4, 6, 8, 10} has 5 elements, so A′ has 10 − 5 = 5.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.