Title  Detail  Hits  Rating 

Monty Hall Problem  Suppose you're on a game show, and you're given the choice of three doors: Behind one door is a c... more>>>   
What's behind the Green Glass Door?  There are pillows but no feathers
There are books but no newspapers
There are tre... more>>>   
Two pieces of string  You have two pieces of string.
If you ignite one string, it'll take exactly one hour to b... more>>>   
The next letter  Which letter should replace the question mark?
OZW AO?... more>>>   
House Foundations  A blue house is made of blue bricks.
A yellow house is made of yellow bricks.
A r... more>>>   
Triangles  Which triangle has a bigger area:
A. A triangle with sides measuring 300, 400, and... more>>>   
How would you weigh an aeroplane  A common brain teaser used in some job interviews... how would you weigh an aeroplane without sca... more>>>   
23 Prisoners  A warden meets with the 23 prisoners when they arrive at the prison.
He tells them:... more>>>   
The beginning of eternity  The beginning of eternity. The end of time and space. The beginning of every end and the end of e... more>>>   
Bat and Ball  Over 50% of Harvard, Princeton and MIT Students got this simple logic test wrong. See how you go.... more>>>   
