Good Riddles

Question: You can only keep it once you give it to somebody.

What is it?

Question: Light hides me and darkness kills me.

What am I?

Question: A man is trapped in a room. In the room their is a table, chair, 2 doors, and a small hole in the ceiling 12 inches in diameter. Behind one of the doors is an extremely hungry lion that hasn't eaten in a couple of days. Behind the other door is a glass tunnel that magnifies the sun creating temperatures so high that even opening the door could kill you.

How does the man escape?

Question: Everyone has me but nobody can lose me.What am I?

Question: Flora killed several thousands of people without mercy. Afterwords, Flora disappeared and was never seen again. Yet the police never pursued her.Why?