Answer by Gareth McCaughan for 68 coins with 100 weighings
It seems to me that there's a simpler solution than the one accepted above.Step 1:Step 2:Step 3:The point here is that
View ArticleAnswer by A. P. for 68 coins with 100 weighings
I see, it took me too long to fininsh my drawing, but let me present it as additional material to sousben's answer:
View ArticleAnswer by sousben for 68 coins with 100 weighings
Step 1Step 2Step 3Step 4Step 5Step 6ThenThis makes a total of:
View Article68 coins with 100 weighings
You have 68 coins of different weights. Using only a balance scale and the coins themselves, find the heaviest and lightest of the coins with only 100 comparisons.This puzzle is adapted from The...
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