Seemingly Impossible Number Of People In The Room Puzzle @MindYourDecisions

MindYourDecisions | Seemingly Impossible Number Of People In The Room Puzzle @MindYourDecisions | Uploaded 1 year ago | Updated 5 minutes ago
Thanks to Dieter from Germany for the suggestion! This puzzle appeared in a German newspaper.

Math StackExchange
math.stackexchange.com/questions/2455403/number-of-people-to-be-found-knowing-constraints-on-mean-ages

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If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect the price you pay.

Book ratings are from January 2023.

My Books (worldwide links)
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My Books (US links)
Mind Your Decisions: Five Book Compilation
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A collection of 5 books:
"The Joy of Game Theory" rated 4.3/5 stars on 290 reviews
http://amzn.to/1uQvA20
"The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias" rated 4.1/5 stars on 33 reviews
http://amzn.to/1o3FaAg
"40 Paradoxes in Logic, Probability, and Game Theory" rated 4.2/5 stars on 54 reviews
http://amzn.to/1LOCI4U
"The Best Mental Math Tricks" rated 4.3/5 stars on 116 reviews
http://amzn.to/18maAdo
"Multiply Numbers By Drawing Lines" rated 4.4/5 stars on 37 reviews
http://amzn.to/XRm7M4

Mind Your Puzzles: Collection Of Volumes 1 To 3
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A collection of 3 books:
"Math Puzzles Volume 1" rated 4.4/5 stars on 112 reviews
http://amzn.to/1GhUUSH
"Math Puzzles Volume 2" rated 4.2/5 stars on 33 reviews
http://amzn.to/1NKbyCs
"Math Puzzles Volume 3" rated 4.2/5 stars on 29 reviews
http://amzn.to/1NKbGlp

2017 Shorty Awards Nominee. Mind Your Decisions was nominated in the STEM category (Science, Technology, Engineering, and Math) along with eventual winner Bill Nye; finalists Adam Savage, Dr. Sandra Lee, Simone Giertz, Tim Peake, Unbox Therapy; and other nominees Elon Musk, Gizmoslip, Hope Jahren, Life Noggin, and Nerdwriter.

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Is this even solvable? What is the radius?

A legendary question with a surprising answer

Can you solve the missing square puzzle?

$Viral question - solve this for the ATM cards PIN code A joke note offers use of an ATM card, but only if you can can solve an impossibly hard integral. 0:00 problem 0:53 solution 5:33 numerical Math StackExchange Claude Leibovici https://math.stackexchange.com/questions/2814179/how-to-integrate-the-product-of-two-or-more-polynomials-raised-to-some-powers-n Euler substitution https://en.wikipedia.org/wiki/Euler_substitution Reimann sum https://en.wikipedia.org/wiki/Riemann_sum Midpoint rule https://commons.wikimedia.org/wiki/File:Riemann_sum_(middlebox).gif 09glasgow09, CC BY-SA 3.0 , via Wikimedia Commons solution @NathMathTutoring https://www.youtube.com/watch?v=F9ZJya5DK5w&feature=youtu.be Quora https://www.quora.com/How-do-I-integrate-dfrac-3x-3-x-2-2x-4-sqrt-x-2-3x-2-dx Daily Mail https://www.dailymail.co.uk/femail/article-6406177/Note-offers-use-ATM-card-youll-solve-math-equation-first.html Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect the price you pay. If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect the price you pay. Book ratings are from January 2023. My Books (worldwide links) https://mindyourdecisions.com/blog/my-books/#worldwide My Books (US links) Mind Your Decisions: Five Book Compilation https://amzn.to/2pbJ4wR A collection of 5 books: The Joy of Game Theory rated 4.3/5 stars on 290 reviews http://amzn.to/1uQvA20 The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias rated 4.1/5 stars on 33 reviews http://amzn.to/1o3FaAg 40 Paradoxes in Logic, Probability, and Game Theory rated 4.2/5 stars on 54 reviews http://amzn.to/1LOCI4U The Best Mental Math Tricks rated 4.3/5 stars on 116 reviews http://amzn.to/18maAdo Multiply Numbers By Drawing Lines rated 4.4/5 stars on 37 reviews http://amzn.to/XRm7M4 Mind Your Puzzles: Collection Of Volumes 1 To 3 https://amzn.to/2mMdrJr A collection of 3 books: Math Puzzles Volume 1 rated 4.4/5 stars on 112 reviews http://amzn.to/1GhUUSH Math Puzzles Volume 2 rated 4.2/5 stars on 33 reviews http://amzn.to/1NKbyCs Math Puzzles Volume 3 rated 4.2/5 stars on 29 reviews http://amzn.to/1NKbGlp 2017 Shorty Awards Nominee. Mind Your Decisions was nominated in the STEM category (Science, Technology, Engineering, and Math) along with eventual winner Bill Nye; finalists Adam Savage, Dr. Sandra Lee, Simone Giertz, Tim Peake, Unbox Therapy; and other nominees Elon Musk, Gizmoslip, Hope Jahren, Life Noggin, and Nerdwriter. My Blog https://mindyourdecisions.com/blog/ Twitter https://twitter.com/preshtalwalkar Instagram https://www.instagram.com/preshtalwalkar/ Merch https://teespring.com/stores/mind-your-decisions Patreon https://www.patreon.com/mindyourdecisions Press https://mindyourdecisions.com/blog/press$

Help me settle an argument. What is 8 divided by 2 times 4?

Fiendishly Difficult Test Question Baffles Students

$Solving 2 questions from the worlds hardest exams Thanks to Sanket for suggesting problem 1! It is adapted from the JEE Mains 2022 test in India. Problem 2 is from the 1986 Putnam competition, A2. 0:00 problems 0:58 solution 1a 4:10 solution 1b 6:50 solution 2 Problem 1 Brainly https://brainly.in/question/55364464 Sarthaks https://www.sarthaks.com/3443400/the-remainder-when-2023-2023-is-divided-by-35-is StackExchange https://math.stackexchange.com/questions/4668677/remainder-when-20232023-is-divided-by-35 Problem 2 John Scholes Putnam problems https://prase.cz/kalva/putnam/psoln/psol862.html StackExchange https://math.stackexchange.com/questions/294400/rightmost-digit-of-left-lfloor-frac1020000101003-right-rfloor YouTube vids https://youtu.be/3eT5OKPOVvE?si=phkyzREdiHX3AbMk https://www.youtube.com/watch?v=Phf8QyAXop8 https://www.youtube.com/watch?v=m7Wq33Q9hJ8 https://www.youtube.com/watch?v=3eT5OKPOVvE Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect the price you pay. If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect the price you pay. Book ratings are from January 2023. My Books (worldwide links) https://mindyourdecisions.com/blog/my-books/#worldwide My Books (US links) Mind Your Decisions: Five Book Compilation https://amzn.to/2pbJ4wR A collection of 5 books: The Joy of Game Theory rated 4.3/5 stars on 290 reviews http://amzn.to/1uQvA20 The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias rated 4.1/5 stars on 33 reviews http://amzn.to/1o3FaAg 40 Paradoxes in Logic, Probability, and Game Theory rated 4.2/5 stars on 54 reviews http://amzn.to/1LOCI4U The Best Mental Math Tricks rated 4.3/5 stars on 116 reviews http://amzn.to/18maAdo Multiply Numbers By Drawing Lines rated 4.4/5 stars on 37 reviews http://amzn.to/XRm7M4 Mind Your Puzzles: Collection Of Volumes 1 To 3 https://amzn.to/2mMdrJr A collection of 3 books: Math Puzzles Volume 1 rated 4.4/5 stars on 112 reviews http://amzn.to/1GhUUSH Math Puzzles Volume 2 rated 4.2/5 stars on 33 reviews http://amzn.to/1NKbyCs Math Puzzles Volume 3 rated 4.2/5 stars on 29 reviews http://amzn.to/1NKbGlp 2017 Shorty Awards Nominee. Mind Your Decisions was nominated in the STEM category (Science, Technology, Engineering, and Math) along with eventual winner Bill Nye; finalists Adam Savage, Dr. Sandra Lee, Simone Giertz, Tim Peake, Unbox Therapy; and other nominees Elon Musk, Gizmoslip, Hope Jahren, Life Noggin, and Nerdwriter. My Blog https://mindyourdecisions.com/blog/ Twitter https://twitter.com/preshtalwalkar Instagram https://www.instagram.com/preshtalwalkar/ Merch https://teespring.com/stores/mind-your-decisions Patreon https://www.patreon.com/mindyourdecisions Press https://mindyourdecisions.com/blog/press$

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