Balance Beam Scale Riddle 7 Marbles

These differ from puzzles that assign weights to items in that only the relative mass of these items is relevant. If 3 6 12 is heavy then either 6 is the odd heavy ball or 1 or 2 is the odd light ball. If 1 2 5 vs 3 6 12 balances then either 4 is the odd light ball or 7 or 8 is the odd heavy ball.

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Scale balances means the heavy coin is in group 7 8 9 using one weighing we have successfully narrowed three groups down to one.

Balance beam scale riddle 7 marbles.

If it s not completely clear how we can make the assumption that the bad coins is in group 7 8 9 when the scales balance remember we know there is a bad coin there has to be we have eliminated the other two. If the 2 groups weigh the same the heavier marble is in the 3rd group. 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. Split the marbles into 3 groups with 4 marbles each.

Pick 2 groups and use the scale to determine which group contains the heavier marble. Yeah i probably shouldn t have even bothered with the picture. That is a small dish hangs from each end of a rod that is balanced in the middle. You are given a set of scales and 12 marbles.

Weigh 7 vs 8 if they balance then 4 is the odd light ball or the heaviest of 7 vs 8 is the odd heavy ball. 2 8 of them are exactly the same weight. A real weight balance or scale looks slightly like the apparatus i drew above. The scales are of the old balance variety.

In any case on to the riddle. You can put things in the little buckets and the scale will tip to the heavier side. 1 you have 9 marbles as seen.

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