What happened when the wheel was invented?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

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?

By using 'because' continuously three times, can you make an English statement ?

Solve below rebus puzzle?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

What has 88 keys?

Identify the hidden meaning behind this picture?