Upload date
All time
Last hour
Today
This week
This month
This year
Type
All
Video
Channel
Playlist
Movie
Duration
Short (< 4 minutes)
Medium (4-20 minutes)
Long (> 20 minutes)
Sort by
Relevance
Rating
View count
Features
HD
Subtitles/CC
Creative Commons
3D
Live
4K
360°
VR180
HDR
2,354,325 results
3.26M subscribers
A viewer suggested this question which appeared in a magazine from Mensa, a high IQ society. Can you figure it out? Members ...
46,825 views
2 days ago
... you can support me at Patreon: http://www.patreon.com/mindyourdecisions Connect on social media. I update each site when I ...
293,521 views
11 years ago
How many can you solve? 0:00 Puzzle 1 2:55 Puzzle 2 6:40 Puzzle 3 10:35 Puzzle 4 12:43 Puzzle 5 14:19 Puzzle 6 16:44 Puzzle ...
592,750 views
9 months ago
In one problem, you need to solve for the 4 digit code, and you know some clues. In the second, two logicians are asking ...
663,051 views
2 years ago
How many can you figure out? 0:00 puzzle 1 2:31 puzzle 2 4:44 puzzle 3 6:44 puzzle 4 8:13 puzzle 5 9:40 puzzle 6 12:21 puzzle ...
497,697 views
10 months ago
Alice, Bob, Charlie are one of spy, truth-teller, and liar. Each one makes a statement and you have to determine which one Charlie ...
297,775 views
1 year ago
The 17th annual Brazilian Olympiad featured an incredibly tricky logic puzzle that went viral on social media. Thanks to Guilherme ...
3,250,959 views
3 years ago
Olympiad problems are challenging for most of us. But this one was considered "easy" for the students taking the test! (The oldest ...
4,019,773 views
6 years ago
This legendary question from India's JEE Advanced test is so hard that most people would not even attempt it. Only 78 out of ...
181,592 views
How logical are you? This simple riddle is challenging for most people, and even mathematicians as a whole struggle to solve it.
725,123 views
2,709,528 views
8 years ago
How did they figure out the area of a circle is pi times r squared? 0:00 intro 3:10 Archimedes 6:25 Leonardo and Sato Moshun ...
612,167 views
... Math Problem "How Old Is The Captain?" Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 ...
8,839,529 views
7 years ago
This puzzle has circulated for over 10 years. What is the correct answer? 1 + 1 + 1 + 1 + 1 1 + 1 + 1 + 1 + 1 1 + 1 × 0 + 1 = ?
172,298 views
5 months ago
The 2023 Math Kangaroo had an interesting question that stumped me. Can you solve it? Kangaroo questions ...
120,790 views
1 month ago
This brain-teaser is supposed to be simple, but it stumps many students. Can you figure it out? Skills tested: logic, reasoning, ...
295,603 views
4 months ago
A question assigned to 7 year old students completely stumped a mother who posted it online asking for help. Reddit AskMath ...
248,675 views
This question is from the notoriously difficult university entrance exam in China, the Gaokao exam. 2019 Gaokao test posts ...
25,848 views
8 days ago
Can you measure exactly 5 L from buckets of sizes 3, 7, and 20 L? Percentages for grade 8 mathematics, by Determine how to ...
536,251 views
3 months ago
Four friends claim they have been wrongly imprisoned. They are not criminals but mere harmless logicians! The warden says, "If ...
1,469,696 views
This problem stumped me! But it has a pretty nice solution. Thanks to all patrons! Special thanks this month to Kyle, Michael Anvari ...
1,180,065 views
Thanks to Kirby Stevens for the suggestion! This tricky puzzle was unsolved until the magazine Popular Science republished it in ...
237,599 views
The famous mathematician Vladimir Arnold mischievously shared a puzzle that he joking said American students could find an ...
409,504 views
This would be considered one of the easier problems on the CSAT. What's the radius of the circle? Special thanks this month to: ...
33,109 views
2 weeks ago
It takes perfect logical reasoning to solve this puzzle. I thank Joe for the suggestion! Polish translation by Przemyslav Znajdź mnie ...
195,330 views
5 years ago
A challenging problem was posted to Reddit HomeworkHelp. Can you figure it out? Reddit HomeworkHelp ...
1,591,536 views
4 years ago
The 2025 ENEM featured a question that many students found difficult. Can you solve it? Thanks to Alexandre for the suggestion!
160,308 views
