If A and B are disjoint sets, then the value of n(A∩B) = ____.
2
0
1
3
Since A and B are disjoint sets, there is no element common to A and B.
∴n(A∩B)=0
If n(A - B) = 36, n(B - A) = 40 and n (A∩B)=24, then n (A∪B)= ___
If A and B are disjoint sets then,
n(A U B) = ____.