Question

In a class of 60 students, 55 offer mathematics, 48 offer chemistry, and 32 offer physics. 5 students offer all three subjects, 15 offer physics and chemistry only, and 20 offer chemistry only. each student offer at least one of the subject.
i. illustrate the information on a venn diagram. find the number of students who
ii. offer chemistry only
iii. only one subject
iv. exactly two subject

Answer 1

so, what does your Venn diagram tell you?
There is only one number missing.