How can you write nineteen in a manner that if we take out one, it becomes twenty?

How can you take 2 from 5 and leave 4?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

Why are televisions attracted to people?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

They are three errirs in this question. Can you find them?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Why is the Hole below a Lock?