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

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?

If eleven plus two equals one, what does nine plus five equal?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

What does this mathematical rebus means ?

Prove that twice of ten is the same as twice of eleven.

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

Why Aeroplane windows are round?