Lucas Clarke crafts a glass Klein Bottle. See https://brilliant.org/numberphile for Brilliant and get 20% off their premium service …
Math
Thanks to Jack for the suggestion! This is one of the hardest GCSE questions about vectors. #math #maths #mathematics Credits …
There’s a clever way to solve this algebra question. #math #maths #mathematics …
This is a fun little geometry problem. #math #maths #mathematics #shorts Subscribe: …
With Ben Sparks. Episode sponsor is MEL Science. Visit https://melscience.com/sBLS/ and use code Numberphile for 50% …
Thanks to James for the suggestion! If a hen and a half lay an egg and a half in a day and a half how many eggs would one hen …
What is the sum of all even divisors of 1000? #math #maths #mathematics #shorts Source …
These are 4 questions based on problems from actual exams. 0:00 Problems 1 – 4 1:24 Solution 1 3:04 Solution 2 4:08 Solution 3 …
Zvedelina Stankova with two solutions (one messy, one beautiful) to a problem involving an injured cow. Extra footage at: …
Since the internet is perfectly logical, I’m sure everyone will solve this easily and there will be no arguments #math #maths …
Neil Sloane discusses The Inventory Sequence… See also Jane Street’s special page: …
Thanks to Varun for suggesting this interesting question from India’s JEE Advanced 2021 test. #math #maths #mathematics …
This is a nice one similar to questions on admissions tests. Adapted from IUT 2016-17 Admission Test MCQ 59 …
This is a nice conditional probability question adapted from an admissions test. #math #maths #mathematics #shorts IUT 2016-17 …
Grant Sanderson (from 3Blue1Brown) shows us a pyramid that spits out prime numbers – and then we dig deeper. More links …
This is from a practice GMAT test. #math #maths #mathematics #shorts Credit …
Grant Sanderson (from 3Blue1Brown) discusses the briefly brilliant discovery of Paterson Primes. More links & stuff in full …
This is a good practice geometry question. #math #maths #mathematics #shorts Subscribe: …
This is one of the easier questions on the exam, and it is a fun one to solve. 2020 Oxford MAT 1C …
This is said to be one of the hardest GRE test questions. #math #maths #mathematics #shorts Sources …
There are many proofs of the famous right triangle equation. This proof comes from the world’s first calculus textbook.
Marcus du Sautoy on Fibonacci Numbers. More links & stuff in full description below ↓↓↓ Marcus du Sautoy website: …
Thanks to Min for the suggestion! This problem comes from a maths competition in Singapore and is a very interesting geometry …
What sorcery is this?! You can easily multiply numbers from 6 to 10 just by counting your fingers. #math #maths #mathematics …
This is one of the hardest graph questions I’ve seen. #math #maths #mathematics #shorts …
In a worldwide study, 42 percent got this one correct. #math #maths #mathematics #shorts TIMMS 2015 Advanced Mathematics …
Featuring Ben Sparks doing some calculus. See https://brilliant.org/numberphile for Brilliant and get 20% off their premium service …
They say this is one of the harder SAT questions. #shorts #math #maths #mathematics Sources …
There are many ways to prove the sum of numbers from 1 to n, but this one is especially interesting. #math #maths #mathematics …
A simple probability question was very hard for many MPs. #maths #math #mathematics #shorts References …
Thanks to Kenji for the suggestion! Solve for the perimeter of a triangle whose altitudes have lengths of 170, 210, and 357.
Based on an official SAT problem. #math #maths #mathematics #shorts CollegeBoard Twitter …
This is a simple trick to divide any number by 5. #math #maths #mathematics #shorts Subscribe: …
You can solve this in seconds with logic. #math #maths #mathematics #shorts References …
This is one of the trickiest word problems I have seen. #shorts #math #mathematics #maths Via Quora reply of J. Lin …
I bought a cow for $800. I sold it for $1000. I bought it again for $1100. I sold it again for $1300. How much did I earn?
Only a genius can solve this. Reference https://en.wikipedia.org/wiki/Missing_square_puzzle#Similar_puzzles Subscribe: …
Thanks to Castor from Australia for the suggestion! He credits AoPS for the problem. Three spheres are tangent to a plane at the …
Visual explanation of the difference of squares formula from math class The Difference – The Wallflowers …
Featuring Neil Sloane from the OEIS. See the stop press at https://www.numberphile.com/stop-press and extra footage at …
The anti-twister mechanism is mesmerizing. #shorts Belt Trick, JasonHise CC0 (public domain dedication) …
This is a tricky question, but it simplifies tremendously. Math StackExchange …
Trigonometry from a circle #shorts Animation based on …
A square pyramid has base PQRS and vertex O. Each edge has length equal to 20. Calculate the shortest distance along the …
Featuring Matt Henderson. Check https://brilliant.org/numberphile for Brilliant and get 20% off their premium service (episode …