"Prove" 4 = 2. Can You Spot The Mistake?
5:28
"Prove" 3 = 0. Can You Spot The Mistake?
9:26
Breaking the rules of math π = 0. Where is the mistake?
10:00
False proof 2 + 2 = 5. Can you spot the mistake?
10:45
Very few people can solve. Which martini glass is closest to 1/2 full?
7:27
Solving An Insanely Hard Problem For High School Students
11:26
Solving the hardest question of a British Mathematical Olympiad
10:17
What Positive Number Doubles When The Last Digit Moves To The First Digit? Riddle For "Geniuses"
2:38