Further MathematicsSets, binary operations and logicWAEC
If n(A) = 8, n(B) = 6 and n(A ∩ B) = 3, then n(A ∪ B) is
Show answer
Answer: A. 11
Working: 8 + 6 − 3.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.