If n(A)=10, n(B)=30,n(C)=50 and if set A, B, C are pairwise disjoint then which of the following is correct?
Posted: Thu Jul 14, 2022 8:57 am
a) n(A U B)=0
b) n(B U C)=0
c) n(A U B U C)=90
d) All of the mentioned
b) n(B U C)=0
c) n(A U B U C)=90
d) All of the mentioned