Best short riddles

There was a plane crash every single person died. Who survived?

Imagine you're in a room that is filling with water. There are no windows or doors. How do you get out?

I have keys but no locks. I have a space but no room. You can enter, but can't go outside. What am I?

If you have me, you want to share me. If you share me, you haven't got me. What am I?

What kind of tree can you carry in your hand?

I had no father, only a grandfather. I shall bear no sons, only daughters. What am I?

There was a railroad crossing without any cars and trucks! Can you spell that without using any "R"?

Two mothers and two daughters went out to eat, everyone ate one burger, yet only three burgers were eaten in all. How is this possible?

What comes down but never goes up?

You are in a cabin and it is pitch black. You have one match on you. Which do you light first, the newspaper, the lamp, the candle, or the fire?