Question

If $R$ be a relation $ < $ from $A = \left\{ {1,2,3,4} \right\}$ to $B = \left\{ {1,3,5} \right\}\;i.e.\;\left( {a,b} \right) \in R \Leftrightarrow a < b,$ then $R\;o\;{R^{ - 1}}$ is

Accepted Answer

$\left\{ {\left( {3,3} \right),\left( {3,5} \right),\left( {5,3} \right),\left( {5,5} \right)} \right\}$

Answer

$\left\{ {\left( {1,3} \right),\left( {1,5} \right),\left( {2,3} \right),\left( {2,5} \right),\left( {3,5} \right),\left( {4,5} \right)} \right\}$

Answer

$\left\{ {\left( {3,1} \right),\left( {5,1} \right),\left( {3,2} \right),\left( {5,2} \right),\left( {5,3} \right),\left( {5,4} \right)} \right\}$

Answer

$\left\{ {\left( {3,3} \right),\left( {3,4} \right),\left( {4,5} \right)} \right\}$

JEE MATHEMATICS MCQ: RELATIONS

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