Because being chased by ghosts is way too hard.
Every 108 minutes, the button must be pushed.
Don't hit the walls, or you'll sink!
Me: "Hey Dad, did you get a haircut?"
Dad: "No, I got them all cut."
Three tourists checked in at a hotel one night for $30, which they divide by paying $10 each. That night, the desk clerk realized he made a mistake, so the night really only cost $25. He sends a bellboy to return $5 to the three men, but the bellboy decided to only give $1 to each man and keep $2 for himself. Overall, each man ended up paying $9 for a total of $27, plus $2 for the bellboy. That's $29.
Where did the missing dollar go?
Add a single toothpick to form a mathematically true equality.
Move two toothpicks to form exactly four squares instead of five.