Hello everybody!
I've just finished the OG11 Quant sections, and I wanted to share my results with you and also ask for advice.
I have elaborated a PDF with all the information, if you would take a minute to check it out

From PS I observe a consistent performance all over the section, as you know problems get difficult as you advance, and the results are quite similar between the first half (17/83%) and the second (23/77%). So far, my conclusion is that there are some topics which I have to improve and study the type of questions in which I commited mistakes.
In DS section there's a clear decline in the second half of the book (39/61%) compared to the first (11/89%), so I'll have to go a bit beyond my actual level in this type of questions and look for similarities in the questions I failed.
In the Errors by Topic graph I can see an obvious need to improve my Arithmetic and Algebra skills. There's a significant number of Geometry errors but normally I couldn't remember some formulas, so I just need to focus on my
Geometry Template. It was surprising that the pattern of the errors in PS and DS is practically identical, that makes easier the topics in which I'll have to focus later.
Finally, it is significant that almost 50% of my errors were reported as 'Careless Error'. It seems that I have to read the question more thoroughly and pay more attention to what's being asked for.
I plan to take GMAT October 16th, seems like I have plenty of time, what would you recommend?
I planned for the next 15 days to revise the basics and focus on my
Error Log, after that I will try the hardest material, like
GMAT Club Tests.
I'm looking forward to hear your comments,
thanks for your time!!