engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Engineering Mathematics Set Theory & Algebra Closures of Relations
If S = {a, b, c, d) and p = {(a, a), (b, b), (c, c), (d, d), (a, b), (b, a),(b, c), (c, b)}, then p is-
1
Reflexive and symmetric
2
Equivalence
3
Reflexive and transitive
4
Symmetric and transitive