Puzzles in Math and Logic: One-Hundred New Recreations - Brossura

1. Poker Hands 2. 100 Digits 3. The Chess Match 4. The Professor's Telephone Number 5. Houses and Wells 6. Four Points 7. The Case of the Curious Cube 8. Hexagons 9. An Unusual Number 10. Tossing Coins 11. The Chess Game 12. Father and Son 13. The Gambler 14. John's Cousins 15.-23. Multiplications 24. Dissecting the Chessboard 25. Foul Play 26. Weather Report 27. What Price Lunch? 28. Digits Equal Power 29. Additions 30. Additional Additions 31. Square Patterns 32. A Bag of Marbles 33. Ellipse 34. Another Curious Cube 35. The Race for the Division Championship 36. A Group of Numbers 37. Two Additions 38. Regarding Truth and Lies 39. Five Weights 40. Fewest Weighings 41.-51. More Additions 52. Another Chess Game 53. The Perfect Square 54. Object in Motion 55. Angles 56. The Better Hand 57. Pythagorean Parallelepiped 58. The Two-Tone Cube 59. The Baseball Season 60. Roulette 61. The Number Ring 62. The Poker Game 63.-64. More Multiplications 65. Area of Annulus 66. More Truth and Lies 67. Rows of Bushes 68. The Tenth Power 69. Card Trick 70.-76. Still More Multiplications 77. The Department Store 78. Half a Chessboard 79. The Chess Tournament 80. The Lock 81. Trees 82. Reducing the Fraction 83. Having a Ball 84. More Baseball 85. The Solar System 86. Hexagonal Numbers 87. Water Pipes 88. The Investment Counselor 89. Factors 90. The Cone 91. The Philanthropist 92. Find the Number 93. Apples 94. The Three-Way Duel 95. 7 + 8 = 12 96. Presidents 97. The Three-Way Race 98. Cities 99. Still More Truth and Lies 100. Lucky Thirteen

100 original problems in math and logic, featuring permutations, combinations, properties of numbers, algebra, solid and plane geometry, logic, and probability. Although only high school math is needed to solve these problems, even accomplished mathematicians are likely to find some surprises here. Complete and ingenious solutions provided for all problems. 31 drawings.