Mathematics · 2013
JEE Main · 22 April 2013, Shift 1 · Q70
Let R={(3,3),(5,5),(9,9),(12,12), (5, 12), (3, 9), (3, 12), (3,5) } be a relation on the set A ={3,5,9,12}. Then, R is:
Let $\displaystyle R=\{(3,3),(5,5),(9,9),(12,12)$, $\displaystyle (5, 12)$, $\displaystyle (3, 9)$, $\displaystyle (3, 12)$, $\displaystyle (3,5)$ } be a relation on the set $\displaystyle \mathrm{A}=\{3,5,9,12\}$. Then, R is :
Official answer
(4)
reflexive, transitive but not symmetric.
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JEE Main 2013 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.