Three friends enter a restaurant and share a bill of 30 BTC — simple, right? Each one pays 10 BTC. But then the waiter realizes the bill was actually only 25 BTC, not 30!
Returns 5 BTC in coins of 1-BTC. Unable to split it evenly, gives 1 BTC to each friend (3 BTC total) and quietly keeps 2 BTC for himself.
Now let's break it down:
Everyone actually paid 9 BTC each (10 paid - 1 refunded)
Total paid = 3 × 9 = 27 BTC
The waiter kept 2 BTC
So... 27 + 2 = 29 BTC? But wait... they originally paid 30 BTC 😱
Where is the missing 1 BTC??
👉 Hint: It's a logical trick — the 2 BTC that the waiter kept is actually part of the 27 BTC, not something that is added to it.
25 BTC (actual bill) + 2 BTC (waiter's tip) = 27 BTC
The 3 BTC refunded complete the original 30 BTC.
It's not missing — it's just hidden in the math 😉
Classic puzzles with a twist of Bitcoin — and a reminder: always check the change, even in cryptocurrency! 🧠💰
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