See the answer below.
Work Step by Step
First, the converse is If $2m + 1$ is odd then, $m $ is odd. The counterexample is $m=2$. Then $2m+1=5$ is odd and $2$ is even.
You can help us out by revising, improving and updating this answer.Update this answer
After 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.