CLTpkg
Hi @jxav - Assuming you are talking about the official GMATprep software, it is the most accurate mock test that you can take. These practice exams draw on retired official test questions.
The algorithm is quite complex - I wouldn't worry about trying to understand it on an extremely deep level. Do know, however, that it does not depend solely on the number of questions you answer correctly, but also on the difficulty level of those questions.
Additionally, remember that it is always better to guess on quant questions than to leave them blank. For verbal the strategy can be slightly different, but considering you are already scoring at a relatively high level on the quant, you are seriously limiting yourself by leaving questions blank.
Hope this helps and good luck on the real thing!
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Hi @CLTpkg
Actually I did my 2nd test with exactly the mindset of finishing the section even if my last set of questions is answered solely on guesses and I just did exactly that.
I just reviewed my 2nd test which I guessed the last 4 questions with all 4 wrong as a result (got a 47 as a result). I leave the final 5 Questions blank on my first test and got a 44. I think this reconfirm that GMAT really gives severe penalty for unanswered questions. There are a lot of other factors as you mentioned such as difficulty of correctly answered questions etc, but I'm pretty convinced now that it is much better to guess than to leave it blank.
Regards.
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