There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Why do you find that most of the buildings are deprived of the 13th floor?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

Can you find the thief by just looking at the picture below?

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?

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

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Can you count the number of matches in the picture below ?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?