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?

What do you call a fish without an eye?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

What can you see in the middle of March and April that you can never see in any other month?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?