CUET and UG exam CUET UG 2025 Mock Test Series Mathematics Relations and Functions Operations on Relations
Let A = {3, 7}, B = {5, 11} and relation R = {(a, b): a ∈ A, b ∈ B and a + b is even} then inverse relation R-1 is
1
Identity relation
2
Universal relation
3
Empty relation
4
Both 1 and 2