What is next number in the pattern below:

131 517 192 123 ?

Can you find out the total number of triangles in the given figure?

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 mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

What is the word or phrase?

Identify the hidden meaning behind this picture?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

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?

Why are televisions attracted to people?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?