The GMAC does NOT license out content.
Access to retired GMAT questions is your pool. This can be found through all OG guides, GMAT Math/Verbal, PowerPrep, GMATPrep, old paper tests, etc.
You can see much of the available content here:http://www.mba.com/store.aspx
Your second question involves an error log
. If you're using the prep companies analysis, that's fine. To do your own, you need to come up with your own method of analysis. Read the error log
thread for more information.
Strategy Discussion Thread | Strategy Master | GMAT Debrief| Please discuss strategies in discussion thread. Master thread will be updated accordingly. | GC Member Write Ups
GMAT Club Premium Membership - big benefits and savings