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Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter One hundred green-eyed logicians have ...

Can you use some logic to figure out what color your hat is in this quick puzzle? Difficulty: 3/10 Chapters: 0:00 Intro 1:56 Pause ...

Four friends claim they have been wrongly imprisoned. They are not criminals but mere harmless logicians! The warden says, "If ...

Practice more problem-solving at https://brilliant.org/TedEd -- Smuggling yourself aboard the rogue submarine was the easy part.

Can you solve for the day of the week Abby was born? What about Barry? This is an incredible logic riddle. van Ditmarsch, Hans, ...

... Raymond Smullyan, and popularized by his colleague George Boolos, this riddle has been called the hardest logic puzzle ever.

An evil warden holds you prisoner, but offers you a chance to escape. There are 3 doors A, B, and C. Two of the doors lead to ...

View full lesson: https://ed.ted.com/lessons/can-you-solve-the-bridge-riddle-alex-gendler Want more? Try the buried treasure ...

You're a bank robber trying to escape from jail. Can you solve the riddle to get past the fence to freedom? -- Your timing made you ...

Alice and Bob are secretly told consecutive numbers, but neither knows the other person's number. They cannot communicate or ...

Can you ace these challenging puzzles? Skills tested: outside the box thinking, creativity, logic, pattern recognition, Harvard ...

What is the code lock pin? Can you crack the code for the 3x3 grid? 0:00 puzzle 1 4:37 puzzle 2 Code lock pin puzzle ...

The marriage logic puzzle is a simple question that stumps many people. And it has a surprising logical connection to answer ...

Can you imagine a late night talk show featuring mathematical puzzles? Well back in 1982 the great Johnny Carson interviewed ...

This is a famous problem that has been used in technical interviews, and it has even appeared on a Mathematical Olympiad.

Practice more problem-solving at https://brilliant.org/TedEd -- Your agent has infiltrated a life or death poker game in a hidden ...

shorts #logicpuzzles #hmmmpuzzling Look at the image and see how many triangles you can count. If you think you know the ...