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5,600,641 results
One hundred green-eyed logicians have been imprisoned on an island by a mad dictator. Their only hope for freedom lies in the ...
15,123,567 views
9 years ago
Four friends claim they have been wrongly imprisoned. They are not criminals but mere harmless logicians! The warden says, "If ...
715,237 views
8 months ago
From http://www.Logic-Puzzles.org Watch as we solve a logic puzzle from start to finish, showing some of the more common ...
190,576 views
15 years ago
An evil logician takes Alice and Bob captive. They have a chance to escape if they can deduce the total number of trees in the ...
2,368,757 views
8 years ago
Hey guys! We are all familiar with typical IQ tests that rate your intelligence level after you have answered some standardized ...
4,508,662 views
4 years ago
-- Smuggling yourself aboard the rogue submarine was the easy part. Hacking into the nuclear missile launch override — a little ...
1,410,755 views
2 years ago
Alice and Bob are secretly told consecutive numbers, but neither knows the other person's number. They cannot communicate or ...
372,287 views
7 years ago
... Raymond Smullyan, and popularized by his colleague George Boolos, this riddle has been called the hardest logic puzzle ever.
12,763,402 views
How smart are you? These puzzles are simple enough to be solved over your coffee break. And tricky enough to stump you for ...
8,836,904 views
6 years ago
Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you buy from the ...
412,349 views
Simple logic puzzle example illustrating the basic techniques to solve. Please see www.ifpthenq.net for more info and online ...
78,529 views
11 years ago
··· Special thanks to Patreon supporters: RayJ Johnson, Brian Busbee, Jerome Barakos M.D., Amadeo Bee, Julian Lee, ...
14,225,926 views
1 year ago
This problem is adapted from an Oxford University admissions question. They say if you can solve this in your head, you are a ...
6,815,210 views
Scientists have proven that riddles help you boost your thinking abilities and improve your attention span. Are you ready to solve ...
3,650,782 views
The world's best AI cannot solve this simple question! Can you figure it out? Four glasses are in a row face up. What's the ...
282,524 views
3 months ago
A teacher writes six words on the board: cat, dog, has, max, dim, tag. The teacher hands a piece of paper to Albert, another to ...
1,547,351 views
How logical are you? This simple riddle is challenging for most people, and even mathematicians as a whole struggle to solve it.
564,355 views
10 months ago
-- Your friend's birthday is tomorrow, and he's turning… well… you've forgotten. A ginormous cake has been prepared and your ...
1,618,835 views
Thanks to Rahul for the suggestion! A hospital has 16 rooms in a 4x4 grid. The rooms are numbered row by row and rooms and ...
332,847 views
You've been chosen as a champion to represent your wizarding house in a deadly duel against two rival magic schools.
12,935,132 views