What is so fragile that saying its name breaks it?
What goes up but never comes down?
I look at you, you look at me, I raise my right, you raise your left. What am I?
I have eight fingers and two thumbs but I do not live. What Am I?
Can anyone tell me a word in the English dictionary which has a silent 'z'?
It is always ahead of me yet I can never see it. What is it?
If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?
A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes. How long will it take the patient to consume all the five tablets?
A shepherd had 18 sheep, out of which, all but ten died. Can you tell us how many sheep was he left with?
I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?
If Rajina's daughter is my daughter's mom, who am I to Rajina?
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