What do you answer even though it never asks you questions?
What does this say? XLR8
There are 3 apples in the basket and you take away 2. How many apples do you have now?
Find the last number in the series below: voN luJ yaM raM ---
How many triangles are there on the puzzle below?
What has to be broken before you can use it?
It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers. But do you know how many of these numbers are prime?
Check out the number list below and find what number comes next in the sequence. 111 , 113 , 117 , 119 , 123 , 137 , ?
As easy as you can get into me, it is as hard to get out of me. Do you know what I am?
The horse jumps over the king. Strangely there is absolutely no scratch on him. Can anyone explain, how is this possible?
I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?
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
