An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky. Which layer will go on the first?
How can a man go eight days without sleep?
Why do you find that most of the buildings are deprived of the 13th floor?
A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?
How can you drop a raw egg from a height onto a concrete floor without cracking it?
Can you name an animal whose killing cannot be performed without spilling your own blood?
Which part of London exists in France as well ?
Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?
Where do fish keep their money?
What has a bottom at the top?
What is both possible and impossible at the same time?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.