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ThomasD
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Snow in the midwest, just what I needed to call in and take a day off to take my second Gmatprep Cat including AWA.
I am pleased:
Q47
V42
Total 720

I had one misklick in the quant section where I simply klicked the wrong answer - but I suppose that can happen during the real one as well - and 3 educated guesses - all turned out false. So much for my guessing game. Had 5more wrong answer, 2 where after 3mins I just picked and moved on as I was not getting close to the solution and 3 where I had no idea how to solve the question. I suppose that explains why I had 7 mins left

Verbal was fine, not a single scientific RC - which I feel MGMAT Cats test way too much - and only 4 incorrects. 1 I would call an avoidable mistake and the others oh yeah well, so be it.

Overall, I like this score it's pretty close to my December Gmat prep Q49/V40/Total720....so that's good. Now on the other hand what does that imply about my study efforts over the past 2 months??? Well, regardless I'll take as extra motivation to finish the final 2 weeks strong! Test Day: 14 days
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Another 8 inches of snow in the Midwest - exactly what I needed in order to take another day off work and start my final week of GMAT prep. Did not get much done over Valentine's as well there are other things in life that need attention other than the GMAT. Anyhow, I know there is not much validity in the percentage of right/wrong answers, but I know there is quite a few people that are interested in these numbers so here I'll post my first numbers for the OG12 Questions:

PS: 92 out of the first 100 correct
DS: 88 out of the first 100 correct
CR: 88 out of the first 100 correct

Haven't attempted any RC or SC yet. Now I have read that the OG the questions are in ascending order of difficulty. For DS and PS, hmm yeah sure ok I believe it, for CR I could see a definite trend in my missed questions, I think it was 5 in questions 90 through 100. For all of those I had used POE to arrive at 2 answer options and I went with the wrong one. 1 was out of scope, 2 were support when weakening was asked and the others I do not recall from the top of my head.

Given the snow masses still on the road, I think I can squeeze in another practice CAT tomorrow morning and then go to work at noon. For the rest of the week I plan to finish the OG12 questions and flip through MGMAT's Number Properties again. 8 days.....
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Last weekend before the beast. Update on my progress with OG12:

RC: 87/96 - Did someone else notice that there were multiple passages dealing with gender issues? That just a coincidence?
SC: 90/100

happy with that. However, I also did some more PS problems and noticed I was having some difficulties with actually fairly easy concepts. Primarily I felt I was solving questions to slowly. Don't have the numbers at hand right now, but will update once done.

Anyone a good reference for a speedy rates problem refresher - or may be more of a fast way to approach the problems? I found Jeff Sackman's book escerpt: https://www.gmathacks.com/total-gmat-mat ... rates.html Haven't done the problems yet and don't know if I have time, if someone has something even more comprehensive, please let me know
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Great progress so far. Based on the materials you've used thus far, what do you feel has helped you the most with quant-related prep?

thanks in advance,
- tsd
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Quote:
Great progress so far. Based on the materials you've used thus far, what do you feel has helped you the most with quant-related prep?

thanks in advance,
- tsd

I think MGMAT's Number Properties book. Let me give you an example, I assume you have OG12, go to PS#142. That is a problem I in the past would have spent a lot of time on to do the brute force math. However, after having red the Number Properties book, I can rephrase the question as follows: What prime factors are needed to make 3150*y a perfect square.

You do a quick prime factorization of 3150: 2^1*3^2*5^2*7^1 but since I learned that for a perfect square I need everything ^2 that results in y=2*7. Solved this problem in roundabout 30 sec. Would have been 2 or 3 mins for me prior to that - I had never heard of the concept of a perfect square and while the OA refers to this as a perfect square problem as well the concept is never explained anywhere in the OA.

There are other examples like that with the number properties problems for me, but I just did this one a couple mins ago and thought it'd serve as a good example.
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The beast has been beaten!
720 Q48 V41

...what am I going to do with all that spare time now????? I suppose I could start by writing a debrief. Will do so tonight....
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congrats on the stellar score, dude! :P :P :P
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To bring this thread to a closure, final percentages for the OG12 guide were:

PS: 89%
DS: 87% (excluding the last 40questions - I ran out of time)
CR: 89%
SC: 90%
RC: 92%


I threw away a lot of paperwork this morning ;-)
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