A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

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

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?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

How many words can a pen with half refill write?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

I am quite hot but become too cold if you remove the first two letters. What am I?

How is the moon similar to a dollar?

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?