You can see three almost identical images below. Can you spot the odd one out from them?
What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?
What goes up but never comes down?
I am lying and I always lie. Tell me whether I am lying or telling the truth.
I have lakes with no water, mountains with no stone and cities with no buildings. What am I?
Can you find out the remainder when 3^300 is divided by 5?
If EELS + MARK + BEST + WARY = EASY What does HELP + BARK + WARD + LEAD equal?
Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship? ? : 3839 :: 11 : 1209
A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
What has many keys but can’t open a single lock?
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
