6 Aug 2022 12:59 am
Hint: we don't know if the marble is heavier or lighter. So weighing 6 against 6 doesn't solve anything and wastes one of your 3 weightings.Jantje_Smit » 06 Aug 2022, 12:54 am » wrote: ↑ Well, the way I would do it is first put six on one scale and six on the other, then you take the heavier pile and split those in 3 on each scale, then there are 3 left in the heavier pile... take two and put them each on a scale, see if one of those is heavier then the other one, if they are the same weight then the heavy one must be the one left....
I don't think that makes me a genius, maybe you should adjust your standards a bit..
Remember, that's one of the goals, determine which one is different, and whether it is heavier or lighter.
I told you this ain't gonna be easy... :-)