There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

Identify The phrase in the picture.

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What is the below Rebus indicate?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

John was piloting a plane behind a car but was never able to overtake it. Why?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?