Question

5. If A and B are two sets such that n(A) = 24, n(B) = 22, n(A∩ B) = 8,find
(i) n(AU B) (ii) n(A-B) (iii)n(B-A)

Answer 1

n(AUB)=38
n(A-B) =2
n(B-A) =2