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
A
reflexive and transitive only
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B
reflexive only
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C
an equivalence relation
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D
reflexive and symmetric only
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Solution
The correct option is A reflexive and transitive only Reflexive and transitive only. e.g. (3,3),(6,6),(9,9),(12,12)[Reflexive] (3,6),(6,12),(3,12)[Transitive].