Neco Model Questions Vol1 2018 Mathematics Question 9
Practice objective / multiple choice question 9 from the 2018 Neco Model Questions Vol1 Mathematics examination.
In a school of 120 students, 70 study Mathematics, 65 study Physics, and 50 study Chemistry. The number of students studying both Mathematics and Physics is twice the number studying both Physics and Chemistry, and exactly 30 students study both Mathematics and Chemistry. Moreover, 20 students study none of these subjects. How many students study all three subjects?
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About This Question
This is Neco Model Questions Vol1 2018 Mathematics Question 9. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Mathematics examination.
Difficulty level: Medium .
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