There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?
I’m tall when I’m young, and I’m short when I’m old. What am I?
I shave every day, but my beard stays the same. What am I?
A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?
What goes up but never comes down?
The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?
What is the coolest letter in the alphabet?
You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?
What brings you down but never up?
What word begins and ends with an E, but has only one letter?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
