engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Sets Set Theory and types of Sets
If U is the universal set with 100 elements, A and B are two sets such that n(A) = 50, n(B) = 60, n(A ∩ B) = 20 then n(A' ∩ B') =
1
40
2
20
3
90
4
10