12 Marbles Puzzle

So another perfectly valid solution to the 12 marbles puzzle might even be.

12 marbles puzzle. Mensa level brain teaser on mind bluff. It could be either heavier or lighter than the remaining balls. That is a small dish hangs from each end of a rod that is balanced in the middle. 12 coins old fashioned balance.

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. If they balance then the different coin is in the group 9 10 11 12. For the first weighing let us put on the left pan coins 1 2 3 4 and on the right pan coins 5 6 7 8. There are two possibilities.

2v2 8 xy 1v1 0 z 3v3 2 xy 1v1 1 z 1v1 0 which requires only two weights in one third of the cases. So that the following plan can be followed let us number the coins from 1 to 12. You have 12 marbles. Here is an interesting riddle involving 12 marbles and a balance scale.

Galison 500 piece rainbow marbles jigsaw puzzle for families and adults finished puzzle is a unique rainbow image photo art puzzle includes varying colors and sizes of marbles 1 ea 9780735351219 4 6 out of 5 stars 131. You need to find the faulty ba. You are given a set of scales and 12 marbles. Either they balance or they don t.

Eleven of the marbles are of equal weight but one is heavier or lighter. In general if you have n weights at your disposal you can solve the puzzle up to 3 n marbles included. You have 12 identical looking balls and one of them is faulty. Answer to puzzle 1.

The scales are of the old balance variety. Today s puzzle solve today s puzzle and check for the answer the next day 12 marbles written on 3 23 am by vja students you have twelve marbles. You have a balancing scale you can use to find this marble and figure out if it weighs more or less than the others. One of the 12 marbles is irregular but you don t know whether it s heavier or lighte.