If the number of grams ends in 8 it is the second bag with the 9 gram marbles because 2 times 9 equals 18 and that will be added to the total producing a number ending in 8.
9 marbles riddle answer.
Mary is not a nurse.
The way to solve this riddle is to consider statements 4 5 and 6 and create a chart of all possible true and false answers.
Before reading the answer can i interest you in a clue.
Scale tilts left means the heavy coin is in group 1 2 3.
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If 1 2 vs 9 10 do not balance then the different coin is either 9 or 10.
The single 9 shows up as the rightmost digit in the sum of all the weights.
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He fills the jars with the marbles put the two jars behind his back and tell you to pick one of them at random.
If they balance the different coin is number 12.
Weigh coin 1 against 11.
Not nearly as difficult as the the previous two problems of this type.
Lets start as always by numbering them 1 to 9.
Put 1 2 3 on the left side and 4 5 6 on the right side.
Mark will have to give sam 5 marbles.
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A short fun riddle regarding 9 marbles a balance and a 2 measurement limit.
A rightmost 7 means it is the third bag with the 9 gram marbles.
Next fill in the chart according to statements 1 through 3.
There are three possible outcomes.
So for our second weighing we would put 1 2 in the left pan and 9 10 on the right.
He proposes a game.
You will discover that there is only one line where only one of statements one two and three are true.
If these balance then the different coin is either 11 or 12.