Neco 2020 Civic Education Question 26
Practice objective / multiple choice question 26 from the 2020 Neco Civic Education examination.
From a survey of \(2000\) secondary school students, the following data were obtained: \(12\%\) have tried cannabis, \(8\%\) have tried inhalants, and \(5\%\) have tried both cannabis and inhalants. Among cannabis users, \(30\%\) have also used prescription stimulants, and among inhalant users, \(20\%\) have also used prescription stimulants. The total number of students who have used prescription stimulants is \(90\). How many students have used exactly one of the three substances (cannabis, inhalants, or prescription stimulants)?
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About This Question
This is Neco 2020 Civic Education Question 26. It is one of the objective questions from the 2020 Neco Civic Education examination.
Difficulty level: Hard .
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