What question can you never answer yes to?
A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train. How did it happen?
A woman shoots her husband. Then she holds him under water for over 5 minutes. Finally, she hangs him. But 5 minutes later they both go out together and enjoy a wonderful dinner together. How can this be?
A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container. If you are asked to pick two eggs randomly from the container, at least one of them will be rotten. Can you calculate how many eggs in that container are fresh?
4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?
Can you find a pattern and the missing number in the series given below? 100, 155, 258,? , 584, 819.
There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room. How can this be possible?
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.)
The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?
1 dollar = 100 cent = 10 cent x 10 cent = 1/10 dollar x 1/10 dollar = 1/100 dollar = 1 cent => 1 dollar = 1 cent solve this tricky problem?
What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.