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.

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

Can you write down eight eights so that they add up to one thousand?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Move three sticks of the spiral below to form a square.

When it's bad luck to meet a black cat?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?