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Fun Math Club

@funmath_club

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🧠 Logic & Math Puzzles
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🔢 Armstrong Numbers
Take 153. Cube each digit: 1³ + 5³ + 3³
👉 That equals exactly 153 again
🤔 The number recreates itself from its own digits
👇 Drop another 3-digit example if you can find one! taken in Bangkok, Thailand by @funmath_club

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a day ago

🧛 Vampire Numbers
1260 equals 21 times 60
👉 The digits 2,1,6,0 are exactly the digits of 21 and 60, rearranged
🤔 Can you find another one?
👇 Drop your own vampire number in the comments! taken in Bangkok, Thailand by @funmath_club

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3 days ago

🐒 The Infinite Monkey Theorem
A monkey randomly hits keys on a typewriter
Given literally infinite time...
👉 it will eventually type the complete works of Shakespeare, word for word
🤔 Not probably. Mathematically guaranteed. How?
👇 Drop your thoughts in the comments! taken in Bangkok, Thailand by @funmath_club

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4 days ago

🔫 The Truel
Three shooters: A hits 100%, B hits 80%, C hits only 50%
They take turns firing until one survives
👉 Who should you bet on to win?
🤔 It’s not A, and it’s not B
👇 Drop your guess in the comments! taken in Bangkok, Thailand by @funmath_club

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5 days ago

🌍 The Coriolis Effect
People love saying toilets drain differently by hemisphere
👉 The real Coriolis effect on a bathtub is FAR too weak to control that
🤔 So what actually decides which way your sink swirls?
👇 Drop your guess in the comments! taken in Bangkok, Thailand by @funmath_club

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6 days ago

Ohhh hi! by @funmath_club

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6 days ago

🍺 The El Farol Bar Problem
A small bar is only fun if fewer than 60% of the town shows up
Everyone decides separately, based on what they THINK will happen
👉 If everyone predicts “crowded,” they all stay home, and it’s empty
🤔 Is there any way to predict this correctly?
👇 Drop your theory in the comments! taken in Bangkok, Thailand by @funmath_club

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8 days ago

🍴 The Dining Philosophers Problem
5 philosophers, 5 forks, at a round table
Each needs BOTH forks next to them to eat
👉 If everyone grabs their left fork at the same moment...
🤔 everyone is stuck forever. How would you fix this?
👇 Drop your solution in the comments! taken in Bangkok, Thailand by @funmath_club

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9 days ago

⏳ The Predestination Paradox
You travel back in time and give young Einstein relativity...
a theory he only wrote because YOU gave it to him
👉 So who actually thought of it first?
🤔 The information has no true beginning. Is that logically possible?
👇 Drop your take in the comments! taken in Bangkok, Thailand by @funmath_club

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10 days ago

🔺 Napoleon’s Theorem
Draw any triangle, any shape at all
On each side, build an outward equilateral triangle
👉 Connect the exact center of each new triangle
🤔 Those 3 centers ALWAYS form a perfect equilateral triangle. How?
👇 Try it and drop your result in the comments! taken in Bangkok, Thailand by @funmath_club

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11 days ago

🐱 Schrödinger’s Cat
A cat is sealed in a box with a 50/50 chance poison device
👉 Until you open the box and look...
🤔 the cat is mathematically both alive AND dead at once. What does that mean?
👇 Drop your theory in the comments! taken in Bangkok, Thailand by @funmath_club

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12 days ago

🫶🫶🫶 by @funmath_club

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14 days ago