Logon to gmat.com
Download the GMATprep software and take a practice test.
That will decide your most likely score. Not MGMAT CATs.
GMAT PREP is the best indicator of your approximate score on the real thing.
If you haven't taken it DO IT NOW!
and since you have a few weeks, take the tests a couple of times and exhaust all the prep questions floating in this forum. You will touch a high score for sure
GMAT done - a mediocre score but I still have a lot of grit in me
The last 20 days of my GMAT journey