9 Gram Marbles Riddle

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 gram marbles riddle.

Each bag has at least 10 marbles in it. The scales are of the old balance variety. Each pill weighs 10 grams except for contaminated pills contained in one jar where each pill weighs 9 grams. 8 of them weigh 1 ounce each.

In any case on to the riddle. Find the 9 gram marbles there are ten bags containing marbles. 1 you have 9 marbles as seen. A rightmost 7 means it is the third bag with the 9 gram marbles.

In other words you get to take 2 measurements or comparisons here. One of the 12 marbles is irregular but you don t know whether it s heavier or lighte. Scale tilts left means the heavy coin is in group 1 2 3 scale tilts right means the heavy coin is in group 4 5 6 scale balances means the heavy coin is in group 7 8 9. Put 1 2 3 on the left side and 4 5 6 on the right side.

You have access to a balance scale containing 2 trays you may use the balance 2 times. To find the contaminated jar follow this step wise approach. You must determine which of the 9 marbles is the heavier one using the balance only 2 times. Lets start as always by numbering them 1 to 9.

Given a scale how could you tell which jar had the contaminated pills in just one measurement. There are three possible outcomes. You don t know which is which. The 9 marbles are all uniform in size appearance and shape.

Nine marbles you have 9 marbles. The single 9 shows up as the rightmost digit in the sum of all the weights. Here are some riddles for you to spend your free time trying to solve. Nine of the bags contains only marbles weighting 10 grams each.

You are given a set of scales and 12 marbles. 2 8 of them are exactly the same weight. So let s do this. One of the bags contains only marbles weighing nine grams each.

The remaining marble is slightly heavier than the others. 3 you are allowed to use set the scale twice in total. We put 3 marbles on each pan for a total of 6 marbles on the pan and we leave 2 marbles off the pan. 1 weighs 1 1 ounce.