skiena 2-48 #34
Description
You have eight balls all of the same sizes. Seven of them weigh the same, and one of them weighs slightly more. How can you find the ball that is heavier by using a balance and only two weighings?
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You have eight balls all of the same sizes. Seven of them weigh the same, and one of them weighs slightly more. How can you find the ball that is heavier by using a balance and only two weighings?