Neco Model Questions Vol1 2017 Mathematics Question 27
Practice objective / multiple choice question 27 from the 2017 Neco Model Questions Vol1 Mathematics examination.
In a school of 120 students, the numbers studying Mathematics, Physics and Chemistry are 70, 55 and 45 respectively. The numbers studying both Mathematics and Physics, Mathematics and Chemistry, and Physics and Chemistry are 30, 25 and 20 respectively. If 10 students study none of the three subjects, how many students study all three subjects?
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About This Question
This is Neco Model Questions Vol1 2017 Mathematics Question 27. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Mathematics examination.
Difficulty level: Medium .
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