If eleven plus two equals one, what does nine plus five equal?
Find the next number in the series? 2, 12, 36, 80, 150, 252, 392, _ ?
A man dies of old age on his 25 birthday. How is this possible?
I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?
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?
Can you find the hidden animal in the picture below?
John can place six large boxes or nine small boxes into a carton. Can you find out in how many cartons can he place sixty-six boxes in total?
I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.
If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?
What can go through glass without breaking it?
A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container. If you are asked to pick two eggs randomly from the container, at least one of them will be rotten. Can you calculate how many eggs in that container are fresh?
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