81 x 9 = 801. What must you do to make the this equation true?
If EELS + MARK + BEST + WARY = EASY What does HELP + BARK + WARD + LEAD equal?
Why is the Hole below a Lock?
A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?
Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?
What two things can you never eat for breakfast?
What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?
I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?
What number divided by 4 is the same as that number minus 4?
You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?
Replace the 'X' with any mathematical symbol to make the expression equal to 111. 18 X 12 X 2 X 3 = 111
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
