Why was the math book sad? Because it had too many problems.
Why did the bicycle fall over? Because it was two-tired.
What do you call a group of cats playing instruments? A meow-sical band!
What do you call a can opener that doesn't work? A can't opener!
Why did the computer go to the doctor? It had a virus!
Why did the astronaut break up with his girlfriend? Because he needed space!
Why did the cat join a band? Because it wanted to be the purr-cussionist!