Neco 2023 Mathematics Question 18
Practice objective / multiple choice question 18 from the 2023 Neco Mathematics examination.
In the diagram, the universal set contains 100 elements. The numbers of elements in the sets are: \(|A| = 40\), \(|B| = 35\), \(|C| = 30\); the intersections are \(|A \cap B| = 15\), \(|A \cap C| = 12\), \(|B \cap C| = 10\), and \(|A \cap B \cap C| = 5\). How many elements belong to none of the three sets?
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About This Question
This is Neco 2023 Mathematics Question 18. It is one of the objective questions from the 2023 Neco Mathematics examination.
Difficulty level: Medium .
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