I WILL GIVE 10 POINTS TO ANYONE WHO CAN ANSWER THIS SIMPLE COUNTERFEIT COIN QUESTION CORRECTLY?
You have 12 identicle looking coins but one is actually counterfeit. The coin that is counterfeit is either HEAVIER or LIGHTER than the other 11 coins that all weigh the same amount. Your cahllenge is : Using the balance scale just THREE times, you must identify the coin that is counterfeit and wether it is heavier or lighter than the other 11 coins
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1. Put six on one side and six on the other side. The counterfeit coin is in the light side.
2. Take the light side and put three coins on one side and three coins on the left side. The counterfeit coin is on the light side.
3. Pick any two coins from the light side. Place one on one side and one on the other side. If one is lighter than the other, then it is the counterfeit. If they weigh the same, then the one not on the scale is the counterfeit.
Thank you
6 each side 3 each side 1 each side
weight 4, 4, and 4