For "O" level E.Maths students to practise
Question
In a class, 30 pupils took an examination paper in English and an examination paper in Chinese. The results are shown below.
Subjects Passed Failed
English 22 8
Chinese 18 12
Given that x pupils passed both papers and 3 failed both papers, illustrate the results by drawing a Venn Diagram and then find x.
Thank you for your kind attention.
Regards,
ahm97sic