Here are the answers to the brainercises. I hope you got them all right! We’ll start off with the one that was corrected. 4. Correct version:You have 100 balls divided evenly into ten boxes (ten balls in each box). One of the boxes contains balls that are 1.5 grams lighter than the balls in the other boxes. You are given a digital weigh balance. How do you figure out which of the ten boxes contains the balls that are 1.5 grams less by using the balance only once– you can only take one digital reading. (Note: The… Continue Reading

It seems that I can never word this one brain teaser correctly but here it is in all its glory finally. It is number 4 from last time: 4. Correct version:You have 100 balls divided evenly into ten boxes (ten balls in each box). One of the boxes contains balls that are 1.5 grams lighter than the balls in the other boxes. You are given a digital weigh balance. How do you figure out which of the ten boxes contains the balls that are 1.5 grams less by using the balance only once– you can… Continue Reading