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OpenStudy (anonymous):
We are given twelve coins, one of which is a fake with a different mass from the other eleven.
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OpenStudy (anonymous):
Determine that coin with three weighings and whether it is heavier or lighter than the others.
OpenStudy (anonymous):
no idea wherer to start
ganeshie8 (ganeshie8):
i think first trial, we can start by having 3 groups of 4 coins each
ganeshie8 (ganeshie8):
|dw:1370089726156:dw|
ganeshie8 (ganeshie8):
but its taking 4 weighings to figure out fault coin, wid this
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