Fun Riddles

Question: What's the difference between a well-dressed man on a bicycle and a poorly-dressed man on a tricycle?

Question: Light hides me and darkness kills me.

What am I?

Question: I am a big threat to humanity,
but you wouldn't get rid of me even if you could.

What am I?

Question: You're in a room with no doors or windows. Just a mirror and a table.

How do you get out?

Question: What starts with "P" and ends with "E" and has more than 1000 letters?