Q. If R be relation ‘<‘ from A = {1, 2, 3, 4} to B = {1, 3, 5} ie, (a, b) Î R iff a < b, then RoR– 1 is

• (A) {(1, 3), (1, 5), (2, 3), (2, 5), (3, 5), (4, 5)}
• (B) {(3, 1), (5, 1), (3, 2), (5, 2), (5, 3), (5, 4)}
• (C) {(3, 3), (3, 5), (5, 3), (5, 5)}
• (D) { (3, 3), (3, 4), (4, 5)}