Waec 2022 Mathematics Question 3
Practice objective / multiple choice question 3 from the 2022 Waec Mathematics examination. This question covers Set Theory .
Given that \( A \) and \( B \) are sets such that \( \mathrm{n}(A) =8, \mathrm{n}(B)=12 \) and \( \mathrm{n}(A \cap B)=3 \), find \( \mathrm{n}(A \cup B) \)
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About This Question
This is Waec 2022 Mathematics Question 3. It is one of the objective questions from the 2022 Waec Mathematics examination.
The question covers Set Theory .
Difficulty level: 2 .
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