Twice ten are six of us, Six are but three of us, Nine are but four of us; What can we possibly be? Would you know more of us? Twelve are but six of us, Five are but four, do you see? What are we?
There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units. Can you calculate the dimensions of this box with the given data?
Which is the correct shadow of the bird?
I have no life, but I can die. What am I?
The peacock is a bird that does not lay eggs. How do they get baby peacocks?
How many pluses should we put between the digits of 987654321 to get a total of 99, and where?
If 21x = 79x, what is the value of x?
What can jump higher than a building?
Find The Missing Number In the Sequence. 6 25 64 ? 32 1
Can you figure out the logic I used to decide the order of the following words: gun, shoe, spree, door, hive, kicks, heaven, gate, line, den
My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. 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
