|Title ||Detail ||Rating |
|A coin a bottle and a cork||If you were to put a coin into an empty bottle and then insert a cork in the bottle's opening, how could you remove the coin without taking... more>>>|
|The Rope Bridge||Four people need to cross a rickety... more>>>|
|I turn polar bears white||... more>>>|
|Three switches||You're standing in front of a room with one lightbulb inside of it. You cannot see if it is on or off. Outside the room, there are 3... more>>>|
|The Man in the Elevator||A man lives on the tenth floor of a building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening,... more>>>|
|Socks in a drawer||There are 30 socks in a drawer. 60% of the socks are red and the rest are blue. What is the minimum number of socks that must be taken from... more>>>|
|The wisest son||One day, a father went to his three sons and told them that he would die soon and he needed to decide which one of them to give his property... more>>>|
|The safest room||A murderer is condemned to death. He has to choose between three rooms.The first is full of raging fires, the second is full of assassins... more>>>|
|Black, red and grey||... more>>>|
|Three consecutive days||... more>>>|
|What's behind the Green Glass Door?||There are pillows but no feathers
There are books but no newspapers
There are trees but no bushes
There are spoons... more>>>|
|Two pieces of string||You have two pieces of string.
If you ignite one string, it'll take exactly one hour to burn from one end to the other end.
|The next letter||Which letter should replace the question mark?
OZW AO?WZ 11 ... more>>>|
|Calculator words||461375 is an example of a Calculator word - type it into a calculator, rotate the screen and the word "SLEiGh" appears
|House Foundations||A blue house is made of blue bricks.
A yellow house is made of yellow bricks.
A red house is made of red bricks.
|How would you weigh an aeroplane||... more>>>|
|The beginning of eternity||... more>>>|
|Bat and Ball||Can you work out this question that stumped 50% of Harvard students?... more>>>|
|One Hundred Coins||You are in a dark room with 100 coins on a table, 12 are heads and the rest are tails, and the two faces are completely indistinguishable... more>>>|
|Monty Hall Problem||Suppose you're on a game show, and you're given the choice of three doors: Behind one door is a car; behind the others, goats.