What is the centre of gravity?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

The Little ant seems to be always confused. Do you know why?

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?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

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?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

How can a man go eight days without sleep?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.