Answer
See below.
Work Step by Step
Since $n$ ends in $d_1d_0$, we can write $n=100m+10d_1+d_0=4(25m)+(10d_1+d_0)$ (where $m$ is a nonnegative integer). Both parts on the right side contain a factor of 4, thus $4|n$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.