The more of this there is, the less you see. What is it?
I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal. Who am I?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
Readers with high attention to detail can spot the mistake in the stack of shoes in 5 seconds. Are you one of them? Test your visual skills now!
I have a clock(12-hour format) and both the needles of the clock overlap at 12:00. After how much time, they will overlap again?
Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?
Can you write down eight eights so that they add up to one thousand?
Can you solve this picture maths equation?
I don't get anymore wetter, no matter how much rain falls on me.
What is more useful when it is broken?
I am a white box having no key or lid. Yet there is a golden treasure inside it. What Am I?
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
