Let us define a relation R in R as aRb if $a \geq b$.Then R is

Question

$$\begin{array}{1 1}(a)\;an\;equivalance\;relation & (b)\;reflexive,transitive\;but\;not\;symmetric\\(c)\;symmetric,transitive\;but\;not\;reflexive & (d)\;neither\;symmetric\;nor\;transitive\end{array}$$