My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

What is both possible and impossible at the same time?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

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?

Which flower has two lips?

What has a bottom at the top?

What kind of tree can you carry in your hand?

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

If it took eight men ten hours to build a wall, how long would it take four men to build it?

What kind of storm is always in a rush?