# Good riddle. Please star if you like it………………..?

Mr Smith has lots of pennies, ten boxes in all. Each box contains 100 pennies, but one box contains coins which are all counterfeit and are slightly lighter, 1/16 of an ounce lighter to be exact. The problem lies in the fact that they all look identical, the only way to tell them apart is to weigh them. Mr Smith knows the correct weight for a box, but how many weighings are required to determine which box contains the counterfeit ones?

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1) weigh 5 and 5

2) take the lighter 5 and weigh 4 of them 2 and 2

3) If they are equal then the box that wasn’t weighed is counterfeit - if not take the lighter 2 and then weigh them against eachother.

SO 3 at the most.

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i did not understad anyting & that is why i give u a star

for u’r hopelessness

If the guy knows the correct weight for a box, then he could weigh the counterfeit one of the first try and know it right away, correct?

i havent a clue