How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

John, a 5-year-old boy, was really fond of the chocolates. He asked his Mother to give him some money to buy his favourite chocolates. His Mother gave him $45. He went to the shopkeeper and asked, "How much is one chocolate for?". The shopkeeper said $3 for one chocolate. Also, if you give me the wrappers of three chocolates, I will give you one for the exchange.
In total, how much chocolate could John eat?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Who has married many women but was never married?

What happened when the wheel was invented?

How many words can a pen with half refill write?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?