1 you have 9 marbles as seen.
Marble riddle scale.
The scales are of the old balance variety.
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.
In any case on to the riddle.
Mensa level brain teaser on mind bluff.
How do you determine which marble is the heaviest using only the scale and marbles in 2 weighings.
There are 8 marbles that weigh 1 ounce each and 1 marble that weighs 1 1 ounces.
So let s do this.
You can put things in the little buckets and the scale will tip to the heavier side.
You are only able to use the scale 2 times.
You have a balance that contains 2 trays.
The marbles are all uniform in size appearance and shape.
Yeah i probably shouldn t have even bothered with the picture.
You have 12 marbles.
Riddles hard riddles logic riddles previous riddle sliding coins.
This means that we only have to compare on those 2 remaining marbles and we have the heaviest marble in only two weighings.
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 are given a set of scales and 12 marbles.
That is a small dish hangs from each end of a rod that is balanced in the middle.
2 8 of them are exactly the same weight.
The remaining marble is slightly heavier than the others.
Next riddle probability other child is a boy.
Lastly use the scale to weigh the 2 remaining marbles to determine the heavier marble.
Use the scale to determine the group that contains the heavier marble.