More Mathematical Morsels (Dolciani Mathematical Expositions)
Publisher: The Mathematical Association of America
Published: September 5, 1996
Language: eng
Format: Paperback
Number of pages: 344
ISBN-13: 9780883853146
Subjects: Mathematics; Science/Mathematics; General; Mathematics / General
First sentence: No matter which 55 positive integers may be selected from (1, 2,..., 100), prove that you must choose some two that differ by 9, some two that differ by 10, some two that differ by 12, and some two that differ by 13, but that you need not have any two that differ by 11.