The red book of mathematical problems

Kenneth S. Williams, Kenneth Hardy0486694151, 9780486694153

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.