What is next number in the pattern below:

131 517 192 123 ?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

What number divided by 4 is the same as that number minus 4?

If eleven plus two equals one, what does nine plus five equal?

What begins with T, ends with T, and has T in it?

Why do people go to bed?

Can you solve the photo plexer logic ?

What question can you never answer yes to?