I don't get anymore wetter, no matter how much rain falls on me.
I get hot but I never sweat, I cook food but I am not a chef, I have a door but you can't enter me, I have a light but I am not a lamp. Who am I?
When I get multiplied by any number, the sum of the figures in the product is always me. What am I?
Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months
Twice ten are six of us, Six are but three of us, Nine are but four of us; What can we possibly be? Would you know more of us? Twelve are but six of us, Five are but four, do you see? What are we?
I have a head like a cat and feet like a cat, but I am not a cat. What am I?
What has one letter and starts with an E?
Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water. How many frogs are there on the log at this moment?
You knock a Table over in the library, and suddenly 20 eyes are looking at you.
I am the fastest animal but cannot climb the tree. What am I?
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