A group of 100 outdoor enthusiasts were asked which activities they participated in: Hiking, Cycling, and Swimming.
10 people participated in all three activities.
22 people participated in Hiking and Cycling.
18 people participated in Cycling and Swimming.
25 people participated in Hiking and Swimming.
55 people participated in Hiking.
45 people participated in Cycling.
40 people participated in Swimming.
How many of the enthusiasts participated in none of the three activities?
Practise AQA GCSE Maths Venn Diagrams with exam-style questions for Foundation and Higher tier. 52 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.