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Data · 08-10-2002, 04:47 PM

[quote:e2783]A coin collector knew that a lightweight coin was mixed with 8 more rare coins of equal weight. She found the lightweight coin in two weighings. how did she do it?[/quote:e2783]

The coin was painted brught red and the rest were silver.

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Data is Offline Senior Member Posts: 318 Join Date: Apr 2002 Location: Ohio	08-10-2002, 04:47 PM [quote:e2783]A coin collector knew that a lightweight coin was mixed with 8 more rare coins of equal weight. She found the lightweight coin in two weighings. how did she do it?[/quote:e2783] The coin was painted brught red and the rest were silver.