Answer
$\left\{0, 2, 4\right\}$
Work Step by Step
$x \in Q$ and $x \in R$ means that the elements of the given set are in Q and are also in R. This is actually the definition of the intersection of the sets Q and R.
Thus, the given set is equivalent to:
$Q \cap R = \left\{0, 2, 4\right\}$
