10 Marbles Riddle

If they balance 11 is the heavy marble.

10 marbles riddle. Since you know that the box is labeled incorrectly it must have all black marbles or all white marbles. The one labeled both. 2 9 10 11 is heavy. You can use a scale you can use an empty sack.

There are 10 bags of marbles. If not the heavier one is the heavy marble. You don t know which is which. You are given a set of scales and 12 marbles.

One of the 12 marbles is irregular but you don t know whether it s heavier or lighte. But you have to follow the following rules. 3 you are allowed to use set the scale twice in total. Here is an interesting riddle involving 12 marbles and a balance scale.

3 9 10 11 is light. In other words you get to take 2 measurements or comparisons here. With a scale you have to figure out how to figure out which bag contains the 9 ounce marbles. The scales are of the old balance variety.

9 bags contain 10 ounce marbles. That is a small dish hangs from each end of a rod that is balanced in the middle. 1 you have 9 marbles as seen. 1 bag contains 9 ounce marbles.

If a black marble comes out you know that has to be the black marbles box so you put the black label on it. In this case you know that the different marble is 9 10 or 11 and that that marble is heavy. Simply weigh 9 against 10. 2 8 of them are exactly the same weight.