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Four Weights (Posted on 2004-07-25) Difficulty: 3 of 5
You have 4 weights weighing 2,3,5 and 7 pounds. The problem is none of them are marked. What is the fewest number of weighings you need using a balance scale figure out which weights are which?

See The Solution Submitted by Brian Smith    
Rating: 3.5000 (8 votes)

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Answer | Comment 32 of 33 |
The required fewest number of weighings is 4.
  Posted by K Sengupta on 2007-06-18 04:53:25
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