In a class of 47 students, 31 study
Physics, 26 study Chemistry and 16
study Biology. 3 study all the three
subjects, 2 study Chemistry and Biology
only and 6 study Biology only.
a) llustrate the information in a Venn
diagram.
b) Find the number of students who
study
i)
Chemistry only
ii) only one subject
iii) only two subjects​
