A helium molecule walks in afterwards. The bellhop asks if he needs any help. Helium doesn't react.
 270
0  

A teacher asked a student to write 55. Student asked: How? Teacher: Write 5 and beside it another 5! The student wrote 5 and stopped. Teacher: What are you waiting for? Student: I don't know which side to write the other 5!
 712
0  

Q: How many mathematicians does it take to change a lightbulb? A: On average or do you want the whole distribution?
 262
0  

Teacher: "Are you good at math?" Pupil: "Yes and no." Teacher: "What do you mean?" Pupil: "Yes, I'm no good at math!"
 386
0  

What did the 0 say to the 8? Nice belt!
 317
1