If there are 6 elements in ( A u B ) and 1 element in ( A n B ) answer the following
A. What is the maximum number of elements possible for A?
B. what is the least possible number of elements in B?
C. If A has 'n' elements how many elements are in B?
max in A would be 6.
min in B would be 1.
6 = n + B - 1
B = 7-n