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 :
JEE · Math · previous-year question
- A.reflexive and symmetric only
- B.an equivalence relation
- C.reflexive only
- D.reflexive and transitive only
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