18. If A and B are two non- empty sets and A is proper subset of B .If n(A) = 5, then minimum possible of n( A delta B)

18. If A and B are two non- empty sets and A is proper subset of B .If

1.	18. If A and B are two non- empty sets and A is proper subset of B .If n(A) = 5, then minimum possible of n( A delta B)
Answer» 18. If A and B are two non- empty sets and A is proper subset of B .If n(A) = 5, then minimum possible of n( A delta B)