You are given thirteen identical- looking balls and a two-sided scale. One of the balls is of a different weight, although you don't know whether it's lighter or heavier. How can you use just three weighings of the scale to determine the different ball?
You are given thirteen identical- looking balls and a two-sided scale. One of the balls is of a different weight, although you don't know whether it's lighter or heavier. How can you use just three weighings of the scale to determine the different ball?
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter25: Achievement Review—section Two
Section: Chapter Questions
Problem 25AR: Engine pistons and cylinder heads are made of an aluminum casting alloy that contains 4% silicon,...
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Question
![You are given thirteen identical-
looking balls and a two-sided scale.
One of the balls is of a different
weight, although you don't know
whether it's lighter or heavier. How
can you use just three weighings of
the scale to determine the different
ball?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd274d381-0a1f-4ba1-8c1a-6bc37904519f%2Fec8d658b-3163-4729-985f-606992d08064%2Fm20t0hl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:You are given thirteen identical-
looking balls and a two-sided scale.
One of the balls is of a different
weight, although you don't know
whether it's lighter or heavier. How
can you use just three weighings of
the scale to determine the different
ball?
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