Hi,
You can find the weekly challenge problem here:
http://www.manhattangmat.com/challenge_thisweek.cfmIf you are a student, the archive will be in your student center here:
http://www.manhattangmat.com/ChallengeA ... ispexams=6If you are looking to purchase the archive, you can find it here:
http://www.manhattangmat.com/storeitems ... 61&catid=4Best,
Caitlin Clay
Student Services Associate
Manhattan GMAT