What does the following represent?

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A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

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?

Why do you find that most of the buildings are deprived of the 13th floor?

What is the below Rebus indicate?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Can you identify if it's a murder or a suicide ?

I have branches, but no fruit, trunk or leaves. What am I?

What can you catch but never throw?