Solve this: Question No. 10 In a class of 50 students, 28 students study mathematics and 35 study science. If a student studies at least one subject, then how many students study both mathematics and science? A) 19 B) 17 C) 15 D) 13 Share with your friends Share 0 Brijendra Pal answered this Hi, If a student studies at least one subject then n(AUB) = 50 where A is number of students studying maths and B , science So nA= 28 nB= 35 Now nA∪B=nA+nB-nA∩BSo number of students studying both nA∩B=nA+nB- nA∪B=28+35-50=13 0 View Full Answer Rajdeep Tah answered this Ans 1 Rajdeep Tah answered this Ok 1