Neco 2019 Mathematics Question 36
Practice objective / multiple choice question 36 from the 2019 Neco Mathematics examination.
The Venn diagram shows three sets A, B and C within a universal set of 100 elements. The number of elements that belong to none of the sets is 10. The cardinalities are \( |A| = 45 \), \( |B| = 42 \), \( |C| = 40 \). The intersections are \( |A\cap B| = 15 \), \( |A\cap C| = 13 \), \( |B\cap C| = 12 \). Find the number of elements that belong to exactly two of the sets.
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About This Question
This is Neco 2019 Mathematics Question 36. It is one of the objective questions from the 2019 Neco Mathematics examination.
Difficulty level: Medium .
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