Who invented fractions?

Why were the teacher's eyes crossed?

What's 90 degrees and never incorrect?

Why do birds fly south in the fall?

Why do cats always get what they want?

Why do airplanes make bad spouses?

What was the cow's response when she caught her calf lying to her?

Nurse, how is that little girl doing who swallowed ten quarters last night?

What table can you never sit at?

Why did Grandpa put wheels on his rocking chair?

Why did Adam quit his job at the helium factory?

Why aren't fish able to go on summer vacation?

What do you call shaving a crazy sheep?

How did the French fry propose to the hamburger?

Why are all priests fit?