Question

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 1

Answer:

70

Step-by-step explanation:

given,

no of students passed in english:- 50

no of students passed in mathematics:- 60

no of students passed in both subjects:- 40

no of students failed =0

n(A)=50

n(B)=60

n(A intersection B) =40

n(A union B) =?

n(AunionB)+n(AintersectionB)= n(A)+n(B)

40+x=50+60

x is 110-40

x is 70