What's the only room from which no one can enter or leave

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

What does Alexander the Great and Winnie the Pooh have in common?

Count the Triangle in the figure given below:

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Where do fish keep their money?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?