The red book of mathematical problems

Kenneth S. Williams, Kenneth Hardy9780486694153, 0486694151

Handy compilation of 100 practice problems, hints and solutions indispensable for students preparing for the William Lowell Putnam and other mathematical competitions. Problems suggested by a variety of sources: Crux Mathematicorum, Mathematics Magazine, the American Mathematical Monthly and others. Preface to the First Edition. Sources. 1988 edition.