Given a relation $R$ in $R$ defined as $R = {(a, b) : a \leq b} $, is this reflexive, transitive or symmetric.

Question

$\begin{array}{1 1} \text{Reflexive, Transitive and Symmetric} \\ \text{Reflexive and Transitive but not Symmetric} \\ \text{Not Reflexive but Transitive and Symmetric} \\ \text{Neither Reflexive, Transitive or Symmetric} \end{array} $