What has many teeth, but cannot bite?
What kind of band never plays music?
What can you hold in your right hand, but never in your left hand?
What can go up a chimney down, but can’t go down a chimney up?
What is the difference between a jeweller and a jailer?
What time is it when an elephant sits on a fence?
What has 88 keys?
What makes this number unique: 8,549,176,320?
A sundial has the fewest moving parts of any timepiece. Which has the most?
In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?
Artificial Intelligence has crushed all human records in the puzzle game “2048,” achieving a high score of 839,732 and beating the game in only 973 moves without using any undo.
