Question

Let $X = \left\{ {1,\;2,\;3,\;4,\;5} \right\}$ and $Y = \left\{ {1,\;3,\;5,\;7,\;9} \right\}.$ Which of the following is/are not relations from $X$ to $Y$?

Accepted Answer

${R_4} = \left\{ {\left( {1,3} \right),\left( {2,5} \right),\left( {2,4} \right),\left( {7,9} \right)} \right\}$

Answer

${R_1} = \{ \left( {x,y} \right)|y = 2 + x,x \in X,y \in Y\} $

Answer

${R_2} = \left\{ {\left( {1,1} \right),\left( {2,1} \right),\left( {3,3} \right),\left( {4,3} \right),\left( {5,5} \right)} \right\}$

Answer

${R_3} = \left\{ {\left( {1,1} \right),\left( {1,3} \right),\left( {3,5} \right),\left( {3,7} \right),\left( {5,7} \right)} \right\}$

JEE MATHEMATICS MCQ: RELATIONS

More Questions from RELATIONS