What begins with T, ends with T, and has T in it?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

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

What part of the chicken has the most feathers?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

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

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

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?