Which wheel of car does not rotate when you turn your car right?

Which city is three-fifths chick two third cat and 50% goat?

What part of the chicken has the most feathers?

What building has the most stories?

How many words can a pen with half refill write?

Why is 6 afraid of 7?

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

who is silent in the parliament?

how come the second man dies?

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?