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🧠 The 12 Coins Puzzle (The Counterfeit Weigher)
You have 12 identical-looking gold coins. One is counterfeit and has a slightly different weight (you don't know if it's heavier or lighter!). With a balance scale, what is the minimum number of weighings needed to guarantee finding it?
💬 Could you write down the exact branching strategy for all 3 weighings? Try it in the comments! (Solution in first comment 👇)
#brain #coinpuzzle #informationtheory #math #logic
You have 12 identical-looking gold coins. One is counterfeit and has a slightly different weight (you don't know if it's heavier or lighter!). With a balance scale, what is the minimum number of weighings needed to guarantee finding it?
💬 Could you write down the exact branching strategy for all 3 weighings? Try it in the comments! (Solution in first comment 👇)
#brain #coinpuzzle #informationtheory #math #logic
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🧠 The Birthday Paradox (23 People in a Room)
How many people must be gathered in a room for there to be a 50% chance that at least two share the exact same birthday (day and month)? Guess before reading!
💬 What was your initial guess? 50? 100? 180? Be honest in the comments! (Solution in first comment 👇)
#brain #birthdayparadox #math #counterintuitive #probability
How many people must be gathered in a room for there to be a 50% chance that at least two share the exact same birthday (day and month)? Guess before reading!
💬 What was your initial guess? 50? 100? 180? Be honest in the comments! (Solution in first comment 👇)
#brain #birthdayparadox #math #counterintuitive #probability
Something seems off with cobrahelix.com with how it tracks how much you've earned❓🤔 I've tried adding this up. It doesn't make sense. Seems I'm missing about 5 million millix❗😕
