Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Sets Set Theory and types of Sets
Let U be the universal set and A ∪ B ∪ C = ∪. Then {(A − B) ∪(B − C) ∪ (C − A)]' is equal to:
1
A ∪ B ∪ C
2
A ∪ (B ∩ C)
3
A ∩ B ∩ C
4
More than one of the above
5
None of the above