The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

Who is that with a neck and no head, two arms and no hands? What is it?

Why Wine Glass Stem is so long?

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

What do you get if you add 2 to 100 four times?

Why do people go to bed?

What is harder to catch the faster you run?

Can you start the fire using two pieces of wood?

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?