In a competitove exam 50 students passed in English and 60 students passed in mathematics 40 students passed in both subjects none of them fail in both subjects find the number of students Who passed at least in one of the subjects?

In a competitove exam 50 students passed in English and 60 students pa

1.	In a competitove exam 50 students passed in English and 60 students passed in mathematics 40 students passed in both subjects none of them fail in both subjects find the number of students Who passed at least in one of the subjects?
Answer» 70Step-by-step explanation:given,no of students passed in english:- 50no of students passed in mathematics:- 60no of students passed in both subjects:- 40no of students FAILED =0n(A)=50n(B)=60N(A intersection B) =40n(A union B) =?n(AunionB)+n(AintersectionB)= n(A)+n(B)40+x=50+60x is 110-40x is 70