Mathematics

Collection by Mind Your Decisions • Last updated 3 days ago

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Mind Your Decisions
Best Meeting Spot For 4 Friends

Best Meeting Spot For 4 Friends

Which point is "closest" to 4 friends? Thanks to Chanul for suggesting this problem, which is adapted from a Sri Lankan Olympiad question. Special thanks thi...

Only 10 Percent of Students Solved This

Only 10 Percent of Students Solved This

Can you solve this problem that stumped many advanced math students? References https://io9.gizmodo.com/ready-this-simple-puzzle-once-stumped-96-of-americas-...

The Stacked Cubes Puzzle

The Stacked Cubes Puzzle

This is a fun one! Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address in video). I consider a...

The Folded Square Puzzle E 10, Mathematics, It Works, Puzzle, Mindfulness, Math, Puzzles, Riddles, Nailed It

The Folded Square Puzzle

I thank Ankit and Amlan for the suggestion! This problem is adapted from an examination at the prestigious Chennai Mathematical Institute. Subscribe: https:/...

Can You Solve The 6 Cards Game? Maths Puzzles, Mathematics, Mindfulness, Canning, Games, Math, Plays, Math Puzzles Brain Teasers, Gaming

Can You Solve The 6 Cards Game?

It takes perfect logical reasoning to solve this puzzle. I thank Joe for the suggestion! Reference to TED-Ed talk by Maurice Ashley https://www.youtube.com/w...

The Last Side Puzzle Math Competition, Figure It Out, Mathematics, Puzzle, Mindfulness, Student, This Or That Questions, Math, Puzzles

The Last Side Puzzle

This was given to 9th and 10th grade students in a math competition. Can you figure it out? References Question 23 of Kangaroo competition https://www.matema...

The Unfolded Box Puzzle Geometry Problems, Mathematics, The Creator, Puzzle, Thankful, Letters, Box, Math, Puzzles

The Unfolded Box Puzzle

This is a tricky but fun geometry problem! Special thanks this month to: Michael Anvari, Kyle. Thanks to all supporters on Patreon! http://www.patreon.com/mi...

Magical Triangle - Think Outside The Box! Maths Solutions, Thing 1, Thinking Outside The Box, Mathematics, Geometry, The Outsiders, Triangle, Advertising, Student

Magical Triangle - Think Outside The Box!

Many people requested this one. It was asked to 9th grade students in India who had only learned geometry, so you are supposed to solve it without using trig...

For The Benefit Of Mr. Kite's Midpoint Mental Math Tricks, Unbox Therapy, Tim Peake, Logic Puzzles, Game Theory, Made Video, Brain Teasers, Paradox, Mathematics

For The Benefit Of Mr. Kite's Midpoint

Thanks to Neelesh for the suggestion! This problem is adapted from the JEE Mains test in India. References https://doubtnut.com/question-answer/let-a-b-is-th...

A Circle With 4 Squares Mathematics, Squares, Math, Bobs

A Circle With 4 Squares

This is a neat problem! Puzzle adapted from Cshearer41 https://twitter.com/Cshearer41/status/1247073195829669893 Solve for the radius - harder than it looks ...

Surprisingly Hard Angle Problem Mental Math Tricks, Unbox Therapy, Tim Peake, Maths Puzzles, Game Theory, Paradox, Mathematics, Angles, Mindfulness

Surprisingly Hard Angle Problem

Many people asked me to solve this one! What is the value of x? Many more solutions https://twitter.com/preshtalwalkar/status/1254337151359234049 Solution by...

The Cornered Circle Puzzle Mental Math Tricks, Unbox Therapy, Tim Peake, Maths Puzzles, Game Theory, Confirmation, Physics, Math Puzzles Brain Teasers, Physics Humor

The Cornered Circle Puzzle

Thanks to Manoj and Katlego for the suggestion! Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (ad...

Ladder And Box Puzzle Mental Math Tricks, Unbox Therapy, Maths Puzzles, Game Theory, Mind You, Made Video, Mathematics, Animals Beautiful, Ladder

Ladder And Box Puzzle

Special thanks this month to: Michael Anvari, Kyle. Thanks to all supporters on Patreon! A ladder leans against a wall, just touching the corner of a cubical...

The Folded Semicircle Puzzle Mental Math Tricks, Unbox Therapy, Tim Peake, Maths Puzzles, Game Theory, Paradox, Confirmation, Science And Technology, Mathematics

The Folded Semicircle Puzzle

This problem is adapted from a Belgian Olympiad. I thank Jente for the suggestion! Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation...

Insanely Hard Problem - Solve For The Angle Mental Math Tricks, Unbox Therapy, Physical Education Activities, Tim Peake, Maths Puzzles, Game Theory, Problem Solving, Science And Technology, Angles

Insanely Hard Problem - Solve For The Angle

I admit I didn't solve this one! Sources https://www.duckware.com/tech/worldshardesteasygeometryproblem.html https://www.cut-the-knot.org/triangle/80-80-20/I...

The Square Inside The Square Mental Math Tricks, Unbox Therapy, Tim Peake, Maths Puzzles, Game Theory, Science And Technology, Mathematics, New Books, Mindfulness

The Square Inside The Square

Many people asked me to solve this one! And you know which theorem will come in handy to solve it ;) References https://math.stackexchange.com/questions/2518...

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