What were some of the answers for the five math jokes recently featured in a "Math Jokes" category on Jeopardy

Question

My friend said Jeopardy had a "Math Jokes" category recently. We want to know what some of the jokes were in this category.

Answer 1

Here's a link to the game:

http://www.j-archive.com/showgame.php?game_id=1253&highlight=Math+Jokes