Can you solve the dark coin riddle? - Lisa Winer
Practice more problem-solving at https://brilliant.org/TedEd/ Solution to the bonus riddle mentioned at the end: https://brilliant.org/tededcoinflip You heard the travelers' tales, you followed...
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You heard the traveler's tales, you followed the crumbling maps, and now, after a long and dangerous quest, you have some good news and some bad news. The good news is you've managed to locate the legendary dungeon containing the stash of ancient Stygian coins and the eccentric wizard who owns the castle has even generously agreed to let you have them. The bad news is that he's not quite as generous about letting you leave the dungeon, unless you solve his puzzle. The task sounds simple enough. Both faces of each coin bear the fearsome scorpion crest, one in silver, one in gold. And all you have to do is separate them into two piles so that each has the same number of coins facing silver side up. You're about to begin when all of...
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You heard the traveler's tales, you followed the crumbling maps, and now, after a long and dangerous quest, you have some good news and some bad news. The good news is you've managed to locate the legendary dungeon containing the stash of ancient Stygian coins and the eccentric wizard who owns the castle has even generously agreed to let you have them. The bad news is that he's not quite as generous about letting you leave the dungeon, unless you solve his puzzle. The task sounds simple enough. Both faces of each coin bear the fearsome scorpion crest, one in silver, one in gold. And all you have to do is separate them into two piles so that each has the same number of coins facing silver side up. You're about to begin when all of...
