You are unable to determine which is the heavier marble by looking at them.
You have 8 marbles one is heavier.
You have 8 marbles.
If one is heavier than the other then we ve succeeded in just two weighings.
You a provided with a simple mechanical balance and you are restricted to only 2 uses.
If when comparing the 6 marbles we find that both.
Then in the second weighing we can compare 2 of those 3 marbles to each other.
If instead it balances we know the one unused marble is the heavy one.
You have a weighing scale that consists of 2 pans but the scale is only good for 2 total weighings.
Suppose you have 8 marbles and a two pan balance used to compare the weight of 2 things.
You have eight marbles.
From the heavier three put one aside and place one marble on each tray.
First we weigh 1 2 3 on the left and.
If they are the same weight then the 3rd is the heaviest.
No matter which case happens you weighed marbles only twice and found the heavy one.
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All of the marbles weigh the same except for one which is heavier than all of the others.
How would you find the heaviest marble if you are only allowed to weigh the marbles 2 times.
7 marbles weigh 1 ounce each one marble weighs 1 5 ounces.
If one side is heavier you found the one.
If equal then the one you set aside is the heavy one.
You have 9 marbles one of which is heavier and a set of scales what is the minimum number of times you must use the scales to find the heavier one.
Keep the heavy group of 3 marbles and discard the rest.
Find the heavier ball.
If it tips to a side we know that marble is the heavy one.
Flag as inappropriate flag as inappropriate.
You have to put all the 100 marbles into the jars.
Red and blue marbles puzzle you have given 50 red marbles 50 blue marbles and two empty jars.
Since we now have 3 marbles 1 of which is the heavy one put 1 in each side 1 left 1 right 1 unused set the scale again.
If one side is heavier than the other then we only have 3 marbles left.
Seven of the marbles have the same weight and one marble is heavier.
For convenience sake let s name the balls 1 8.
One of them is heavier than the rest of the 7 all the others weigh exactly the same.