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Puzzled: Solutions and sources

Published: 01 December 2012 Publication History

Abstract

Last month (November 2012) we posted a trio of brainteasers concerning the use of a balance scale to determine the weight of various numbers of coins. Here, we offer solutions to all three. How did you do?

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    cover image Communications of the ACM
    Communications of the ACM  Volume 55, Issue 12
    December 2012
    102 pages
    ISSN:0001-0782
    EISSN:1557-7317
    DOI:10.1145/2380656
    Issue’s Table of Contents
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    Published: 01 December 2012
    Published in CACM Volume 55, Issue 12

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