In a class of 105 students out of three subjects Maths, Physics and Chemistry each student studies at least one subject. In these 47 students studies Maths, 50 students studies Physics and 52 students studies Chemistry and 16 Maths and Physics. 17 Maths and Chemistry and 16 Physics and Chemistry. students studies both subjects.
What will be the number of those students who studies only two subjects?
1
31
2
32
3
33
4
34