If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?
Why do you find that most of the buildings are deprived of the 13th floor?
Can you count the number of seconds in a year? Clue: You need to bother about calculation.
Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time. However, they still manage to cross the river. How is it possible?
He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?
Where do fish keep their money?
How can a man go eight days without sleep?
When does a USA Potato change its nationality?
First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?
Why is 6 afraid of 7?
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?
In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki
