Book:Henry Ernest Dudeney/Puzzles and Curious Problems

Contents

 * NOTE


 * PREFACE


 * Money Puzzles
 * Age and Kinship Puzzles
 * Clock Puzzles
 * Locomotion and Speed Puzzles
 * Digital Puzzles
 * Various Arithmetical and Algebraical Puzzles
 * Various Arithmetical and Algebraical Puzzles


 * Dissection Puzzles
 * Patchwork Puzzles
 * Various Geometrical Puzzles
 * Various Geometrical Puzzles





Critical View
Not as much care has been taken over selecting the contents of this volume as necessary.

There is more than one instance of a problem appearing twice, although in a slightly different form.

Categorisation is haphazard.

Source work progress
Complete but for proofs of some solutions.


 * Still to be completed:


 * : Arithmetical and Algebraical Problems: Money Puzzles: $11$. -- Distribution (construction of a general rule)


 * : Arithmetical and Algebraical Problems: Money Puzzles: $20$. -- Boys and Girls


 * : Arithmetical and Algebraical Problems: Locomotion and Speed Puzzles: $71$. -- The Three Motor-Cars


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $86$. -- Digits and Cubes (for either an analytical approach or a computer program that will do it)


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $90$. -- Summing the Digits (set up a page detailing the general rule)


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $93$. -- Figures for Letters


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $95$. -- Beeswax


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $96$. -- Wrong to Right


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $97$. -- Letter Multiplication


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $98$. -- Digital Money


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $99$. -- The Conspirators' Code


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $100$. -- Digital Squares (investigate and document Dudeney's technque)


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $101$. -- Finding a Square (investigate and prove Digital Root of Square, which can also be presented as Square Modulo 9)


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $109$. -- Perfect Squares (general rule)


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $110$. -- An Absolute Skeleton


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $111$. -- Odds and Evens


 * : Arithmetical and Algebraical Problems: Digital Puzzles: $112$. -- Simple Division


 * : Arithmetical and Algebraical Problems: Various Arithmetical and Algebraical Problems: $120$. -- Proportional Representation (documentation of the sequence arising)


 * : Arithmetical and Algebraical Problems: Various Arithmetical and Algebraical Problems: $122$. -- A Question of Cubes


 * : Arithmetical and Algebraical Problems: Various Arithmetical and Algebraical Problems: $126$. -- Making Squares (possibly an analytical technique)


 * : Arithmetical and Algebraical Problems: Various Arithmetical and Algebraical Problems: $131$. -- Feeding the Monkeys


 * : Arithmetical and Algebraical Problems: Various Arithmetical and Algebraical Problems: $161$. -- Blocks and Squares


 * : Arithmetical and Algebraical Problems: Various Arithmetical and Algebraical Problems: $162$. -- Find the Triangle


 * : Arithmetical and Algebraical Problems: Various Arithmetical and Algebraical Problems: $168$. -- Mental Arithmetic (explanation and expansion, and an errata page needed)


 * : Arithmetical and Algebraical Problems: Various Arithmetical and Algebraical Problems: $176$. -- Counting the Loss (raise an errata page)


 * : Geometrical Problems: Dissection Puzzles: $181$. -- Three Greek Crosses from One (redraw diagram as given analysis is flawed)


 * : Geometrical Problems: Dissection Puzzles: $183$. -- Table-Top and Stools (add historical note)


 * : Geometrical Problems: Dissection Puzzles: $185$. -- The Dissected Chess-Board (do this properly)


 * : Geometrical Problems: Dissection Puzzles: $189$. -- Problem of the Extra Cell (do a proper job)


 * : Geometrical Problems: Various Geometrical Puzzles: $203$. -- A Triangle Puzzle


 * : Moving Counter Problems: $246$. -- Transferring the Counters


 * : Unicursal and Route Problems: $267$. -- A Motor-Car Tour


 * : Combination and Group Problems: $284$. -- Lamp Signalling


 * : Crossing River Problem, and Problems Concerning Games and Puzzle Games: $315$. -- Arranging the Dominoes


 * : Unclassified Problems: $348$. -- Blowing Out the Candle