Neco Model Questions Vol1 2019 Mathematics Question 3
Practice objective / multiple choice question 3 from the 2019 Neco Model Questions Vol1 Mathematics examination.
The Venn diagram shows three sets \(X\), \(Y\) and \(Z\). The numbers in the regions are: only \(X\) = 8, only \(Y\) = 5, only \(Z\) = 7, \(X\cap Y\) only = 4, \(Y\cap Z\) only = 6, \(X\cap Z\) only = ?, and \(X\cap Y\cap Z\) = 3. There are 12 elements outside the three sets, and the total number of elements belonging to \(X\) or \(Y\) (i.e., \(|X\cup Y|\)) is 30. Find the number of elements in the region \(X\cap Z\) only.
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About This Question
This is Neco Model Questions Vol1 2019 Mathematics Question 3. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Mathematics examination.
Difficulty level: Medium .
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