Question

2. in a colledge there 20

Answer 1

Answer:

there are 200 students

Step-by-step explanation:

let no if students enrolled in commerce be nA) and mathematics be n(B)

n only(A)=20

n only(B)=90

n (A intersection B)=30

n(AUB)=60

now

n(U)=20+90+30+60

n(U)=200