An "unsolvable" logic puzzle
18:14
Could you pass this interview? The famous batteries and flashlight logic puzzle
6:14
What is the rule? Challenging homework question
3:50
Can you solve the bridge riddle? - Alex Gendler
9:04
Can you solve the impossible day of the week logic puzzle?
4:42
Can you solve the famously difficult green-eyed logic puzzle? - Alex Gendler
7:37
A Color Test That Can Tell Your Mental Age
6:56
The Logic Puzzle Where Saying Nothing Changes Everything
14:03