In a class of 30 students, 14 offer Government, 18 offer Physics. If 4 students offer none of the subjects.
(I) Show this information on a Venn diagram
(ii) How many students offer both subjects
(iii) How many students offer Physics but not Government.
(i)
Government Physics
* *
* * * *
* * * *
* * * *
* * * *
* * * *
* * * *
* *
* *
* *
Non-subject
(ii) From the Venn diagram, we can see that there are 6 students who offer both Government and Physics.
(iii) From the Venn diagram, we can see that there are 12 students who offer Physics but not Government.