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

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

what does this picture(rebus) riddle means ?

Which is the rope you never skip with?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

Which flower has two lips?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Solve this tricky question. You are trapped in a forest. With you, you have a gun preloaded with two bullets in it. In front of you, there is a tiger, a leopard and a jaguar.

How do you survive?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?