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Farm Fair Contest

 

What is the minimum number of weighing operations required to measure 63 kg of wheat, if only one weight of 1 kg is available?

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Anonymous from Somewhere
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Your answer: 8
Explanation: 6 10kg weights 1 2kg weight 1 1kg weight 6 times 10 = 60 1 times 2 = 2 1 times 1 = 1 60+2+1=63

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