Easy clever riddles for teens

You have me today, Tomorrow you'll have more. As your time passes, I'm not easy to store. I don't take up space, But I'm only in one place. I am what you saw, But not what you see. What am I?

One company had two factories, in different parts of the country, that were making the same style of shoes. In both factories, workers were stealing shoes. How, without using any security, could that company stop the stealing?

How do you spell candy in 2 letters?

I know a country. If you remove the last aplhabet of its name, it will become a part of your body. Do you?

I always work under pressure and by myself is the only way I'm hurt. I was formed under pressure and for woman I'm pleasure. What am I?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

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

It is an insect, and the first part of its name is the name of another insect. What is it?

What flies without wings?

A word I know, Six letters it contains, Subtract just one, And twelve is what remains.