Question

A and B are the subsets of Universal set U. if n(U)=75,n(A)=45 n(B)=60 and AUB)=95 find:
n(A∩B)

Answer 1

Step-by-step explanation:

1. n(AnB)= n(A) + n(B)-n(AuB) 2. =45+60-95 3. =105-95 4.=10 5.n(AnB)=10