1.

Let R be a relation on a set A = {1, 2, 3, 4} given by R ={(1, 1), (1, 2), (1, 3), (2, 1), (2,2), (2, 3), (3, 1), (3, 2), (3,3)}. Then the relation is:

A. reflexive and symmetric, but not transitive.
B. reflexive and transitive, but not symmetric.
C. symmetric and transitive, but not reflexive.
D. reflexive, but neither symmetric nor transitive.
Answer» D. reflexive, but neither symmetric nor transitive.


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