there are 10 boxs of beans. in each box there are 10 beans. of the 10 boxes, 9 of them have beans weighing 1 gram each and the remaining one have beans weighing 0.9 grams each. the boxes are now placed side by side randomly. you can only use the weighing machine(adsbygoogle = window.adsbygoogle || []).push({}); once, find out which box contains the beans that weigh 0.9 grams.

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# Bean weight brain teaser

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