http://www.thegmatbootcamp.com/permissible-vs-sufficient-picking-numbers-on-yesno-data-sufficiency-questions/ Welcome to The GMAT Bootcamp. Your #1 online GMAT Exam Resource. Here, you can find everything you need to help you achieve success on your GMAT exam. You can check out practice problems, practice exams, and even study guides to help you succeed. Tue, 10 Jan 2012 18:35:45 +0000 hourly 1 http://wordpress.org/?v=3.3.1