Mathematical Chestnuts from around the World

1. Problems from Ireland; 2. Three solutions to an old chestnut; 3. Problems from Eotvos-Kurschak competitions; 4. Polish math olympiads; 5. East German olympiads; 6. Problems from Pi Mu Epsilon Journal; 7. Austrian-Polish math olympiads; 8. Problems from Quantum; 9. Bulgarian problems for 11-14 year olds; 10. Cusumano's challenge; 11. Five easy problems from Leningrad; 12. An arithmetic puzzle; 13. Gleanings from the Mathematical Gazette; 14. Problems from the Putnam contest; 15. A second look at a problem from Romania; 16. 32 miscellaneous problems; 17. Two problems in combinatorics; 18. An unused problem from the 1988 International Olympiad; 19. Four problems from the 1995 International Olympiad; 20. Two geometry problems; 21. An unlikely perfect square; 22. The nine-point circle and Coolidge's theorem, the De Longchamps point of a triangle, Cantor's theorem, and Napoleon's theorem; 23. A problem from the Philippines; 24. Four solutions by George Evagelopoulos; 25. A Canadian problem; 26. A function of exponential order; Solutions.