Let A = {1, 2, 3} and B = {(1, 2), (2, 3), (1, 3)} be a relation on A. Then, R is
(a) neither reflexive nor transitive
(b) neither symmetric nor transitive
(c) transitive
(d) none of these


(c)  transitive

Reflexivity : Since $(1,1) \notin B, B$ is not reflexive on $A$.

Symmetry : Since $(1,2) \in B$ but $(2,1) \notin B, B$ is not symmetric on $A$.

Transitivity : Since $(1,2) \in B,(2,3) \in B$ and $(1,3) \in B, B$ is transitive on $A$.

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