Ludi Mathematici
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What If Even Your Point of View Is Uncertain? Quantum Physics Says It Can Be.
barry leung
7–10 minutesRead more: What If Even Your Point of View Is Uncertain? Quantum Physics Says It Can Be.Picture yourself standing on a railway platform as a trolley rolls by. A young girl riding inside lets go of…
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Even A 6 Year-Old Kid Can Solve This In 7 Seconds. But Can You?
barry leung
1–2 minutesRead more: Even A 6 Year-Old Kid Can Solve This In 7 Seconds. But Can You?The area of a triangle is 1/2(b)(h), where b is the base and h is the height. What that means…
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How Does The Koch Snowflake Have Infinite Perimeter?
barry leung
2–3 minutesRead more: How Does The Koch Snowflake Have Infinite Perimeter?What is the perimeter of the above Koch snowflake starting from an equilateral triangle with side length 1? This is…
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Student Finds Embarrassing Error in Cambridge Exam
barry leung
3–5 minutesRead more: Student Finds Embarrassing Error in Cambridge ExamThe Cambridge IGCSE is the international equivalent of England’s GCSE, a qualification typically taken by students aged 14 to 16.…
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Are You Smart Enough To Get Into Cambridge University?
barry leung
1–2 minutesRead more: Are You Smart Enough To Get Into Cambridge University?This maths challenge comes from the University of Cambridge. It’s a test for students looking to study computer science and…
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What’s the Area between the Curve and the x-axis?
barry leung
2–3 minutesRead more: What’s the Area between the Curve and the x-axis?This is the Witch of Agnesi, a bell-shaped mathematical curve named after the Italian mathematician Maria Gaetana Agnesi, famous because…
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How Many Duplicate FIFA World Cup Stickers Should You Expect?
barry leung
2–3 minutesRead more: How Many Duplicate FIFA World Cup Stickers Should You Expect?I don’t watch the World Cup, or sports in general. I never get excited about it, and I certainly do…
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Hawking’s Black Hole Prediction Faces a Mathematical Challenge
barry leung
7–11 minutesRead more: Hawking’s Black Hole Prediction Faces a Mathematical ChallengeTo understand the universe, scientists often seek the strange wanderers at its edges. “You always want to know about the…
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Try This Sum Of Sums Problem!
barry leung
1–2 minutesRead more: Try This Sum Of Sums Problem!The challenge for you is to solve for x. Here’s a hint: think of triangular numbers! Once again, this is…
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Do You Think YOU Can Solve This In 10 Seconds?
barry leung
2–3 minutesRead more: Do You Think YOU Can Solve This In 10 Seconds?The prompt I used to generate this image on ChatGPT is “generate a Zelda breath of the wild inspired blog…
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What Fraction Of The Decagon Is Shaded?
barry leung
1–2 minutesRead more: What Fraction Of The Decagon Is Shaded?What fraction of this regular decagon is shaded? Give this problem a try before jumping in for the solution! Solution:…
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So How Far Has The Ant Walked?
barry leung
1–2 minutesRead more: So How Far Has The Ant Walked?This is a question on the application of complex numbers. The standard solution requires us to formulate a function to represent…
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Apparently There’s A Math Problem In America
barry leung
2–4 minutesRead more: Apparently There’s A Math Problem In AmericaIf I were to tell you that your go-to meal at the local steakhouse has a price reduction of 600%,…
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Calculus Challenge: A Slanted Revolution
barry leung
1–2 minutesRead more: Calculus Challenge: A Slanted RevolutionIn this entry, we will solve the above problem using a rotational matrix. Give this problem a try before jumping…
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Math Genius Mary Adler’s Calculus Problem
barry leung
2–3 minutesRead more: Math Genius Mary Adler’s Calculus ProblemThe real Math Girl Mary Adler is a fictional character from the movie ‘Gifted’. In the Gifted universe, she is…
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University Has Become A Wealth Extraction Machine And Taught Me Absolutely Nothing Useful
barry leung
7–11 minutesRead more: University Has Become A Wealth Extraction Machine And Taught Me Absolutely Nothing UsefulAn Absurd Price Hike When I did my mathematics degree, I was charged around £28,000 each year for a 3-year undergraduate…
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Here’s How Archimedes Measured a Curve Without Calculus
barry leung
5–7 minutesRead more: Here’s How Archimedes Measured a Curve Without CalculusArchimedes tackled the long-standing problem of finding the area of a parabolic segment (the region between a parabola and a…
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An Oxford MAT Exam Question
barry leung
1–2 minutesRead more: An Oxford MAT Exam QuestionThis is a fairly standard exercise in integral calculus. I guess the standards for getting into Oxford to read mathematics…
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Oxford University Mathematics Challenge
barry leung
1–2 minutesRead more: Oxford University Mathematics ChallengeA simple cubic equation sort of looks like a snake meandering through the origin. Adding other terms changes the way…
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Can ChatGPT, Google’s Gemini and Microsoft’s Copilot Pass The Apple-Orange Interview At Apple 🍎?
barry leung
3–4 minutesRead more: Can ChatGPT, Google’s Gemini and Microsoft’s Copilot Pass The Apple-Orange Interview At Apple 🍎?Two years ago, I wrote an article on the above logical puzzle about correctly labelling the three boxes containing apples,…
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How Big Is The Red Area?
barry leung
1–2 minutesRead more: How Big Is The Red Area?I was walking by the cathedral in town today and found out it was Ash Wednesday today thanks to the…
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Ⓒ 2026 MATH GAMES By Barry Leung, CoMN, KoMG, ARM