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?
A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
