Can you count the number of triangles in the given picture?

What can go up a chimney down, but can’t go down a chimney up?

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?

You are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don't know which is which.
There are two robots guarding the doors. They will let you choose one door but upon doing so you must go through it.
You can, however, ask one robot one question. The problem is one robot always tells the truth, the other always lies and you don't know which is which.
What is the question you ask?

Which number comes next in the number series?

2, 9, 30, 93, ?

If two's company, and three's a crowd, then whats four and five ?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

What is at the end of a rainbow?

What's the only room from which no one can enter or leave

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?