Let R = {(3, 3), (6, 6), (9, 9), (12, 12), (6, 12), (3, 9), (3, 12), (3, 6)} be a relation on the set A = {3, 6, 9, 12}. Then, R is
An equivalence relation
Symmetric only
Reflexive and transitive only
Reflexive and symmetric only
Let R={(3, 3), (6, 6), (9, 9), (12, 12), (6, 12), (3, 9), (3, 12), (3, 6)}
be a relation on the set A={3, 6, 9, 12}. The relation is