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Coloured Balls.

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1 Coloured Balls. on Mon May 10, 2010 3:08 am


There are 2 red, 2 green and 2 yellow balls. For each color, the balls weigh different. All the heavier balls weigh the same. All the lighter balls weigh the same. How many weighings are required on a beam balance to identify the three heavy balls?

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2 Re: Coloured Balls. on Wed May 12, 2010 5:57 pm


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