Monday, September 30, 2013

Puzzle 5

You have a balance scale and you need to weigh some vegetables, the weight of vegetables can be any integer from 1 to 100. How many minimum number of weights you will need to guarantee you can measure the vegetables weight correctly . For eg, if the weight of vegetables is 13 or 15 and you have weights of value 2,3,4,6, you can weigh it correctly.

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