What color are all the books in the library?

What's 90 degrees and never incorrect?

Why did the botanist go to Harvard?

What do the Eiffel Tower and a tick have in common?

What sound do you hear when a cow breaks the sound barrier?

Why is tennis the least romantic sport?

Why was the computer cold at work?

Why did the chemist read the book on helium so fast?

What's a landscaper's favorite type of music?

What is another name for a cow?

What do you call a very small Valentine?

Why are fish so good at watching their weight?

What do you call the sound made by a new lottery winner?

What is the quickest button on a radio?

Why did the swine refuse to apologize?