Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

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

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

What do you call a fish without an eye?

Decode the movie name from the below picture?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

Sherlock breaks into a crime scene. The victim is the owner who is slumped dead on a chair and have a bullet hole in his head. A gun lies on the floor and a cassette recorder is found on the table. On pressing the play button, Sherlock hears the message 'I have committed sins in my life and now I offer my soul to the great Lord' and followed a gunshot Sherlock smiles and informed the police that's its a murder.

Why did he think so?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?