Smart Puzzle?!


Question:

Smart Puzzle?

Michael has three bags of coins which all look alike. Each of the three bags contain 30 coins. The weight of each cion in frist bag is 50 grams, second bag is 51 grams and third bag is 52 grams. Using a scale which measures in grams, how would Michael be able to determine each bag with only one weighing?


Answers:

Put all three bags on the scale at one time to weigh them, then remove them one at a time. Since each coin is either 50/51/or52 grams and there are 30 coins in each bag you would have divide the difference in weight to find out which bag it is. Pain in the butt!


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