## Entertaining Mathematical PuzzlesOnly an elementary knowledge of math is needed to enjoy this entertaining compilation of brain-teasers. It includes a mixture of old and new riddles covering a variety of mathematical topics: money, speed, plane and solid geometry, probability, topology, tricky puzzles and more. Carefully explained solutions follow each problem. 65 black-and-white illustrations. |

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### Contents

I | 1 |

II | 3 |

III | 4 |

IV | 6 |

V | 10 |

VI | 12 |

VII | 13 |

VIII | 15 |

XXX | 55 |

XXXI | 57 |

XXXII | 59 |

XXXIII | 63 |

XXXIV | 65 |

XXXVI | 67 |

XXXVII | 69 |

XXXVIII | 71 |

IX | 17 |

X | 19 |

XI | 21 |

XII | 24 |

XIII | 25 |

XV | 27 |

XVI | 29 |

XVII | 31 |

XVIII | 33 |

XIX | 35 |

XXI | 45 |

XXIV | 47 |

XXV | 49 |

XXVI | 51 |

XXVII | 52 |

XXVIII | 53 |

XXXIX | 73 |

XL | 75 |

XLI | 77 |

XLII | 79 |

XLIII | 82 |

XLIV | 85 |

XLV | 87 |

XLVII | 89 |

XLVIII | 92 |

XLIX | 94 |

L | 96 |

LI | 98 |

LII | 99 |

LIV | 101 |

LV | 111 |

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### Common terms and phrases

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