Tricky riddles

What goes up but never comes down?

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?

Four children and their pet dog were walking under a small umbrella. But none of them became wet. How?

Bay of Bengal is in which state?

Who is bigger: Mr. Bigger, Mrs. Bigger, or their baby?

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

Two baseball teams played a game. One team won but no man touched base. How could that be?

Why don't tigers like fast food?

An egg has to fall 100 feet, but it can't break upon landing (or in the air). Its fall can't be slowed down, nor can its landing be cushioned in any way. How is it done?

While I am in air, I am not in oxygen. I am also in water, but not in hydrogen. I am necessary in all animals, but you won't find me in the zoo. Look in all brains and you'll find me there too. What am I?