Some groaners
 

Q: How come Freud doesn't love his student Karl?
A: Because Karl is too Jung for Freud.

Knock knock!

Who's there?

...................



Q: Why doesn't a mathematician go to the beach to bathe in the sun?
A: Because he can get a Tan from Sine and Cosine

Q: What do you call a female mathematician's lingerie?
A: An Alge-BRA!