Weighing 9 Marbles

You can put things in the little buckets and the scale will tip to the heavier side.

Weighing 9 marbles.

If 1 2 5 vs 3 6 12 balances then either 4 is the odd light ball or 7 or 8 is the. So when comparing two groups of marbles there can be two outcomes 1. Weigh 9 vs 10 if balanced then 11 is the odd light ball else the lighter of 9 or 10 is the odd light ball. As each weighing has 3 possible outcomes two of them lead to only 3 2 9 possible outcomes.

You must determine which of the 9 marbles is the heavier one using the balance only 2 times. You can perform up to a maximum of three weighings to find out which marble has the different weight and if it is heavier or lighter than the others. Nine marbles you have 9 marbles. These differ from puzzles that assign weights to items in that only the relative mass of these items is relevant.

Let s name them for easy understanding. 8 of them weigh 1 ounce each. 2 8 of them are exactly the same. 1 you have 9 marbles as seen.

You have a balance scale. You have to put all the. The 9 marbles are all uniform in size appearance and shape. With 13 marbles this would imply that 9 marbles or more are involved in the first weighing.

They all weigh the same except one. One of them weig. Red and blue marbles puzzle you have given 50 red marbles 50 blue marbles and two empty jars. Therefore 2n must be less than 9 which means than n must be 4 or less.

Yeah i probably shouldn t have even bothered with the picture. You don t know if that one is heavier or lighter. Now we already know that one of the marbles is heavier than the rest. A balance puzzle or weighing puzzle is a logic puzzle about balancing items often coins to determine which holds a different value by using balance scales a limited number of times.

The optimal solution for 9 balls puzzle is three weighing s solutions are as follows three weighing s divide the 9 balls into three sets each containing 3 balls each. A real weight balance or scale looks slightly like the apparatus i drew above. 1 weighs 1 1 ounce. You have 12 marbles.

You have access to a balance scale containing 2 trays you may use the balance 2 times.