## 101 Puzzles in Thought and LogicDo you like puzzles based on logic and reasoning? Try this one: In a certain bank the position of cashier, manager, and teller are held by Brown, Jones, and Smith, though not necessarily in that order. The teller, who was an only child, earns the least. Smith, who married Brown's sister, earns more than the manager. What position does each man fill? If you like to entertain yourself and stretch mental muscles on problems like this or more difficult ones, here are 101 entirely new problems for which you need no special knowledge, no mathematical training — simply the ability to reason clearly. Follow these problems through and you will not only increase your ability to think in abstractions, but you will enjoy solving murder problems and robberies, see which fisherman are liars and how a blind man can identify color purely by logic, and enjoy dozens of interesting situations. Puzzles range from easy to relatively difficult, and will please both beginners and experts. |

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### Contents

Section 1 | 7 |

Section 2 | 9 |

Section 3 | 11 |

Section 4 | 13 |

Section 5 | 15 |

Section 6 | 17 |

Section 7 | 23 |

Section 8 | 27 |

Section 20 | 54 |

Section 21 | 56 |

Section 22 | 58 |

Section 23 | 60 |

Section 24 | 62 |

Section 25 | 64 |

Section 26 | 68 |

Section 27 | 71 |

Section 9 | 29 |

Section 10 | 30 |

Section 11 | 31 |

Section 12 | 35 |

Section 13 | 37 |

Section 14 | 39 |

Section 15 | 41 |

Section 16 | 43 |

Section 17 | 46 |

Section 18 | 48 |

Section 19 | 50 |

Section 28 | 73 |

Section 29 | 74 |

Section 30 | 81 |

Section 31 | 84 |

Section 32 | 86 |

Section 33 | 88 |

Section 34 | 90 |

Section 35 | 92 |

Section 36 | 96 |

Section 37 | 98 |

### Common terms and phrases

architect Arthur Arthur Baker Available in U.S. balls Bill biology black mark Boronoff Boronoﬁ boys Brown Captions Carl Carter cashier caught chemistry Clark classic Clayton clerk Colter column Dave Phillips Davis decoded Deﬁnitive Dick digits Dorothy DOVER BOOKS E. A. Wallis Budge Eadweard Muybridge Easterling Ebert EDWARD LEAR English fact FALLINGWATER ﬁeld ﬁgures ﬁll ﬁnal ﬁnally ﬁnd ﬁreman ﬁrst lines ﬁsh ﬁve ﬂoor Flynn four French golfer Grace grocer GUSTAV STICKLEY Helen Hence high school Howard illustrations islands Jack Joey John Jones Joseph Sheppard letter Lewis Lewis Carroll LOGIC LOGIC PUzzLEs man’s Martin Gardner Mary mathematics melons Miss multiplied necessarily respectively oﬂice older oldest painter partial product Pavlow photographs play players poems policeman problem puzzles Revitsky secretary serve shot Smith solution SONGS speed of current statements Stickley Stillwater High School stories subtraction Sukarek teacher tion wrrH

### References to this book

Problem Solving Through Recreational Mathematics Bonnie Averbach,Orin Chein No preview available - 1980 |