Book:Henry Ernest Dudeney/536 Puzzles & Curious Problems

Subject
A repackaging of from $1926$ and the posthumous  from $1932$.

Contents

 * INTRODUCTION


 * ARITHMETICAL AND ALGEBRAICAL PROBLEMS
 * Money Puzzles
 * Age Puzzles
 * Clock Puzzles
 * Speed and Distance Puzzles
 * Weight Puzzles
 * Digital Puzzles
 * Skeleton Puzzles
 * Cryptarithm Puzzles
 * Miscellaneous Puzzles


 * GEOMETRICAL PROBLEMS
 * Triangle, Square, and other Polygon Puzzles
 * Circle Puzzles
 * Dividing-the-Plane Puzzles
 * Plane Geometry Puzzles
 * Solid Geometry Puzzles
 * Dissection Puzzles
 * Paper Folding Puzzles
 * Moving Counter Puzzles


 * COMBINATORIAL AND TOPOLOGICAL PROBLEMS
 * Magic Square Puzzles
 * Magic Star Puzzles
 * Liquid Pouring Puzzles
 * Route and Network Puzzles
 * Point Alignment Puzzles
 * Map Coloring Puzzles
 * Miscellaneous Combinatorial Puzzles


 * GAME PUZZLES


 * DOMINO PUZZLES


 * MATCH PUZZLES


 * UNCLASSIFIED PUZZLES


 * ANSWERS


 * INDEX



Source work progress
* : Answers: $109$. The Two Fours