Contents

I. The Giraffe Problem

II. The Kiss Problem

III. The Free Meal Problem

IV. The Win-and-Lose-Problem

V. The Handkerchief Problem

VI. The Identity Problem

VII. The Shakespearean Problem

VIII. The Impersonation Problem

IX. The Alibi Problem

X. The Threepenny Problem

XI, The Q-Loan Problem

XII. The Pig-Keeper’s Problem

[Frontispiece: A bus-conductor with passengers on a bus. The conductor

carries a pad of tickets and a change purse, and stands before a

passenger wearing a clerical collar and hat. Another passenger looks

over his newspaper at the bus-conductor and smirks. Caption: ‘“Oh

yes,” he said, “I heard. If you want all them threepennies, you’d

better get them out of the blanky offertory-bag next Sunday.”’]

No. I.

The Problem Club · 第 2 / 17 题