Neco 2021 Mathematics Question 5
Practice objective / multiple choice question 5 from the 2021 Neco Mathematics examination.
The Venn diagram below represents three sets \(A\), \(B\) and \(C\) within a universal set of 120 elements. The numbers in each region are: only \(A\): 10, only \(B\): 20, only \(C\): 15, \(A\cap B\) only: 20, \(A\cap C\) only: 15, \(B\cap C\) only: 10, and \(A\cap B\cap C\): 10. How many elements belong to none of the three sets?
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About This Question
This is Neco 2021 Mathematics Question 5. It is one of the objective questions from the 2021 Neco Mathematics examination.
Difficulty level: Medium .
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