Answer
$ 2200\ \Omega,1800\ \Omega.$
Work Step by Step
We have
$$10\% \times 2000\Omega = (0.10)(2000\Omega) =200\ \Omega .$$
That is, the tolerance is $200\ \Omega $.
The upper limit is
$$2000\ \Omega + 200\ \Omega=2200\ \Omega.$$
The lower limit is
$$2000\ \Omega - 200 \ \Omega=1800\ \Omega.$$