I look at you, you look at me I raise my right, you raise your left. What am I?
10+10 and 11+11 can give you the same answer.
Explain how?
There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.
What is the smallest number that stands true on the statement?
You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?
(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)
What work can one never finish?
What is both possible and impossible at the same time?
After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.
Though her operation was successful, Why did she commit suicide?
When my father was 31 I was 8. Now he is twice as old as me. How old am I?
What is at the end of a rainbow?
You can see it everyday, But cannot touch it at will. What is it?
It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,
What is it?
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