Balance Beam Scale Riddle 7 Marbles

A real weight balance or scale looks slightly like the apparatus i drew above.

Balance beam scale riddle 7 marbles. Split the marbles into 3 groups with 4 marbles each. That is a small dish hangs from each end of a rod that is balanced in the middle. The scales are of the old balance variety. If 3 6 12 is heavy then either 6 is the odd heavy ball or 1 or 2 is the odd light ball.

If the 2 groups weigh the same the heavier marble is in the 3rd group. Yeah i probably shouldn t have even bothered with the picture. These differ from puzzles that assign weights to items in that only the relative mass of these items is relevant. Pick 2 groups and use the scale to determine which group contains the heavier marble.

In any case on to the riddle. Scale balances means the heavy coin is in group 7 8 9 using one weighing we have successfully narrowed three groups down to one. You are given a set of scales and 12 marbles. 1 you have 9 marbles as seen.

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. You can put things in the little buckets and the scale will tip to the heavier side. 2 8 of them are exactly the same weight.