1.

Let R = {(1, 3), (4, 2), (2, 4), (2, 3), (3, 1)} be a relation on the set A = {1, 2, 3, 4}. The relation R is [AIEEE 2004]

A. Reflexive
B. Transitive
C. Not symmetric
D. A function
Answer» D. A function


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