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.
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