What is at the end of a rainbow?
If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?
What goes up but never comes down?
What has 88 keys?
You can see it everyday, But cannot touch it at will. What is it?
What word is pronounced the same if you take away four of its five letters?
I taste better than I can smell. Who am I?
It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive, What is it?
What runs around the whole yard without moving?
Which English verb becomes past tense just by rearranging the letters?
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
