There is a puzzle which can be asked all day with a different correct answer each time. What is the puzzle?
What invention lets you look right through a wall?
What begins with T, ends with T and has T in it?
I don’t have eyes, but once I did see. Once I had thoughts, but now I’m white and empty. What am I?
The more you take away, the larger it becomes? What is it?
What can you hold in your right hand, but not in your left?
Poor people have it. Rich people need it. If you eat it you die. What is it?