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