The Lightest Pearl

September 12, 2010 at 4:01 pm 1 comment

A merchant of Benares, in India, had in his possession eight pearls identical in shape, size, and color. Of these eight pearls, seven were the same weight, while the eighth weighed slightly less than the others. How could the merchant discover which pearl was lighter, using a scale but making only two weighings and not using any weights?

From THE MAN WHO COUNTED by Malba Tahan
Chapter 32: A BALANCING ACT
Download: .pdf

Entry filed under: .book, .en, .logic, .math, .pdf, .puzzle, A BALANCING ACT, Malba Tahan, The Lightest Pearl, The Man Who Counted. Tags: , , , , , , , , .

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