You Have Eight Marbles And A Two Pan Balance

Comparing these two in the last weighing would thus not tell which one is special since it could be either the lighter or the heavier one.

You have eight marbles and a two pan balance.

All of the marbles weigh the same except for one which is heavier than all of the others. What is the minimum number of weighings needed to be certain of identifying the heavy marble. These differ from puzzles that assign weights to items in that only the relative mass of these items is relevant. Add paper clips to the other pan one at a time counting as you go until the pans balance.

First we weigh 1 2 3 on the left and. Find the heavier ball. All of the marbles weigh the same except for one which is heavier than all of the others. Let s say you have 8 marbles and a two pan balance.

You a provided with a simple mechanical balance and you are restricted to only 2 uses. Instead you have to compare one of them l say with an ordinary marble like a just as was done in the case of 12 marbles. A balance puzzle or weighing puzzle is a logic puzzle about balancing items often coins to determine which holds a different value by using balance scales a limited number of times. How would you find the heaviest marble if you are only allowed to weigh the marbles 2 times.

One of them is heavier than the rest of the 7 all the others weigh exactly the same. You have eight marbles and a two pan balance. All of the marbles weigh the same except for one which is heavier than all of the others. You are given 8 identical looking balls.

The marbles are otherwise indistinguishable. Software development engineering interview seattle wa. Microsoft suppose you have 11 marbles and a two pan balance used to compare the weight of 2 things. Set up the second pan balance.

For convenience sake let s name the balls 1 8. You may make no assumptions about how much heavier the heavy marble is. If you have only one balance available sketch the results of the first pan balance situation on the board before setting up the second balance. Suppose you have 8 marbles and a two pan balance used to compare the weight of 2 things.

How would you find the heaviest marble if you are only allowed to weigh the marbles 2 times using the balance scale. All the marbles weigh the same except for one which is heavier than all the others. With 13 marbles however neither l nor m have been on the balance yet. Place a protractor and ruler in one pan.

All of the marbles look the same.