What happened when the wheel was invented?

What is the fastest way to double your money?

Who has married many women but was never married?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

Replace the question mark with the correct number below.

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

I know a nine-letter word having only one vowel.
Do you ?

For an extra income, John decided to work at a Hotel for one hour daily. The manager offers him that they will pay him $11 after every 11 days.
However, John offered a different proposition to the manager. The offers stand as:
He will be paid just a penny on his first day.
Two pence will be paid on the second day,
Four pence will be paid on the third day.
And so on till the 11th day.

Should the Hotel manager accept his offer?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

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