What is the coolest letter in the alphabet?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

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

Where do fish keep their money?

What building has the most stories?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Which fur should we be getting from the Lion?

You bought me for dinner but never eat me. What am I?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?