Title | Detail | Rating | |
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An unusual paragraph | This is an unusual paragraph. I'm curious as to just how quickly you canfind out what is so unusual about it. It looks so ordinary and... more>>> | ||
Try and read this out loud without a mistake | This is this puzzle This is is puzzle This is how puzzle This is to puzzle This is keep puzzle This is an puzzle... more>>> | ||
Does the water fall or rise | ... more>>> | ||
What is the sixth number? | It is said that designers take 10 seconds to resolve this, engineers take 3 minutes, architects 3 hours and doctors 6 hours. You have... more>>> | ||
Perfectly Round Circles | ... more>>> | ||
Japanese IQ Test | This is an IQ test given to job applicants in Japan. Beside a river there is:FatherSon 1Son... more>>> | ||
Moving dots | ... more>>> | ||
The Three Knights | During the age of the medieval empires, when knights and barbarians fought against each other, a man was captured and sentenced to death for... 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>>> | ||
The Last Horse | A King was traveling to a neighboring kingdom when he suddenly became ill. He had two sons, and they came to visit the King in this neighboring... more>>> | ||
Never there | ... 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. You... 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... more>>> | ||
Red and Blue Marbles | You have two jars, 50 red marbles and 50 blue marbles. A jar will be picked at random, and then a marble will be picked... more>>> | ||
Mt. Everest | ... more>>> | ||
Running past second place | ... more>>> | ||
Boys and Girls | In a country in which people only want boys, every family continues to have children until they have a boy. If they have a girl, they... more>>> | ||
Why are manhole covers round? | ... more>>> | ||
Overlapping clock hands | ... more>>> |
The Brain Teasers was formed in 2008 with the aim of providing a good collection of riddles, brain teasers and other challenging problems for you to solve!