<p>This is because Harvard attracts more pure math majors whereas MIT attracts more technical and applied math majors. As a campus MIT seems much more qualified for the exam than any other school.</p>
<p>If you look at the problems on Putnam you’ll realize that to be among the top scorers you need to just do pure math. Not necessarily the technical (albeit quantitatively rigorous stuff) like mechanical or electrical engineering. Maybe theoretical CS…</p>