What is in seasons, seconds, centuries and minutes but not in decades, years or days?
There are five vowels (a, e, i, o, u) in the English language. Can you tell us a word that contains all these vowels?
There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?
James bond was pushed out of an aeroplane without any parachute. He survived, How come?
I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?
If eleven plus two equals one, what does nine plus five equal?
How many times can you subtract the number two from the number fifty?
People make me, save me, change me, raise me. What am I?
Why Aeroplane windows are round?
'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?
If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?
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
