Mathematical chestnuts from around the world

Abstract

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.