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Results tagged with weighing
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user 80061
A puzzle that is centered around weighings and balances.
16
votes
2
answers
2k
views
Find the heaviest and the second heaviest coins
Each of 32 coins has a different weight. In 35 weighings on a standard balance, find the heaviest and the second heaviest coins.
Clarification: Before you start to identify the heaviest and second he …
- 21.4k
11
votes
3
answers
2k
views
Determine whether the counterfeit coin is heavier or lighter in two weighings on a standard ...
To allow new users to solve this puzzle and earn reputation points, I encourage all users whose reputation is 200 or more to not post an answer until 48 hours after this question is posted. Thank you! …
- 21.4k
8
votes
2
answers
562
views
Seven genuine and two fake coins
Seven genuine coins have the same weight. Two counterfeit coins also have the same weight. A counterfeit coin is heavier than a genuine coin. Identify the fake coins using a standard balance at most f …
- 21.4k