Can it be possible to build a house that has all its four walls facing towards the South?

Can you find out the missing number in the grid?

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

How many letters are in the alphabet?

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?

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?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

People make me, save me, change me, raise me. What am I?