Neco Model Questions Vol1 2022 Mathematics Question 49
Practice objective / multiple choice question 49 from the 2022 Neco Model Questions Vol1 Mathematics examination.
In a school of \(200\) students, \(120\) study Mathematics, \(90\) study Physics and \(70\) study Chemistry. The numbers who study both Mathematics and Physics, Mathematics and Chemistry, and Physics and Chemistry are \(50\), \(40\) and \(30\) respectively. Exactly \(20\) students study all three subjects. How many students study none of these three subjects?
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About This Question
This is Neco Model Questions Vol1 2022 Mathematics Question 49. It is one of the objective questions from the 2022 Neco Model Questions Vol1 Mathematics examination.
Difficulty level: Medium .
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