You have 12 marbles.
Marble riddle scale.
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.
So let s do this.
That is a small dish hangs from each end of a rod that is balanced in the middle.
You can put things in the little buckets and the scale will tip to the heavier side.
Mensa level brain teaser on mind bluff.
Use the scale to determine the group that contains the heavier marble.
The remaining marble is slightly heavier than the others.
You are given a set of scales and 12 marbles.
How do you determine which marble is the heaviest using only the scale and marbles in 2 weighings.
1 you have 9 marbles as seen.
And if the marbles on the scale do not weigh the same then we know that one of the marbles on the scale is the heaviest and we can eliminate the marbles that are not on the scale.
You have a balance that contains 2 trays.
We put 3 marbles on each pan for a total of 6 marbles on the pan and we leave 2 marbles off the pan.
You don t know which is.
Lastly use the scale to weigh the 2 remaining marbles to determine the heavier marble.
Yeah i probably shouldn t have even bothered with the picture.
The marbles are all uniform in size appearance and shape.
If when comparing the 6 marbles we find that both sides are equal then we know that the heaviest marble has to be in the 2 marbles that are not on the scale.
There are 8 marbles that weigh 1 ounce each and 1 marble that weighs 1 1 ounces.
The scales are of the old balance variety.
Riddles hard riddles logic riddles previous riddle sliding coins.
2 8 of them are exactly the same weight.
You are only able to use the scale 2 times.