This question in my text book chapter named "Permutation, Combination and Probability". But I am stuck with Permutation, Combination and probability. All things are seems same to me. As I am new in these.
Question is: There are 53 students taking Chemistry and Physics or both, 38 students taking chemistry, and 40 students taking physics. (i) How many students are taking both Chemistry and Physics? (ii) How many students are taking Chemistry but not Physics? (iii) How many students are taking Physics but not Chemistry?
Can any one help me out.