Download or read book Number Puzzles for Math Geniuses written by Harold Gale and published by Random House Puzzles & Games. This book was released on 1993 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pit your wits against the number crunchers at Mensa Publications who have devised this demonic collection of over 200 mind-boggling number puzzles. These are fun puzzles, but they are by no means easy. If you can solve them, you'll be a candidate for Mensa -- the internationally famous high-IQ society!