A professor thinks of two consecutive numbers between 1 and 10. 'A' knows the 1st number and 'B' knows the second number A: I do not know your number. B: Nor do I know your number. A: Now I know. What are the four solutions for this?
In the given figure, move three matchsticks so that the resulting figure contains two rectangles.
Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?
The Little ant seems to be always confused. Do you know why?
A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask. For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away. How did he die then?
Can you find the missing piece of the Porsche?
The centre of the third figure is empty. What digit should fit inside?
Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?
Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?
A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire. How come the guy become millionaire ?
There are forty elephants and they have forty-fore heads. How can this be possible?
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