Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

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?

Find the next number in the sequence

5 12 24 36 ?

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?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

How many times can you subtract the number two from the number fifty?

Make a sentence consisting of three words that have the whole alphabet.

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

People put me on the table and cut me but do not eat me. What am I?

What is next number in the pattern below:

131 517 192 123 ?