Wednesday, May 29, 2013

Wonky Scale...

A farmer badly in need of money has decided to sell walnuts. He has a brick that weighs exactly 1 kilogram and a wonky lever balance: the distances are different. A customer comes and asks for 2 kg of walnuts.

The farmer thinks that if he puts the the weight in the left pan and measures out walnuts to balance it out, then switches the walnuts and the weight, and adds the two amounts of walnuts, he'll have the two kilograms.
Is he right?

If not, then how is it possible to measure the two kilograms?


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