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Re: improving your quant from 44-46 to 50+ [#permalink]
27 Apr 2010, 10:12

Very good original post. I was scoring 45-49 and on the real test i scored 45. In hindsight, instead of concentrating on hard questions, i should have been looking to reduce my silly mistakes which always cost me 6-8 questions. Ill try this approach when i give my exam a second time.

Re: improving your quant from 44-46 to 50+ [#permalink]
08 May 2010, 23:03

This is a great thread. I clearly have to study more. And visit more. I am certain I would just sweat this problem out. I am confident that I would get the right answer but not nearly as quickly. Gotta study it till I start seeing the strategies.

Re: improving your quant from 44-46 to 50+ [#permalink]
09 May 2010, 06:00

I realized last night while working on some data sufficiency questions that the math is only part of it. They are really partly logic or verbal. This is supposed to be my strong point. Now that I look at them differently-- the math is pretty easy then you do the separate logical analysis-- they make much more sense and actually seem easy.

Re: improving your quant from 44-46 to 50+ [#permalink]
09 Jul 2010, 17:23

it is generally safe to use the rational roots test on some of these large polynomials on gmat? its seems the fastest way to at least reduce the choices....

if applied to the question in this thread, you would easily deduce 3 for the first one and then check it, taking 10 seconds or so......

Re: improving your quant from 44-46 to 50+ [#permalink]
19 Sep 2010, 23:22

I found this topic again for the second or third time. I'm stuck in the position of scoring 44-48 on practice tests. I would like to score consistently 48-50! It seems this final push is very difficult. I'm going to try as someone suggested, and work the last 50 problems in OG (tomorrow hopefully).

Re: improving your quant from 44-46 to 50+ [#permalink]
19 Sep 2010, 23:50

I'm stuck in the 48-50 range. I guess "stuck" is a good thing here, but I'd like to push it up to 51.

I'm finding most of my mistakes appear on bad/complicated algebra. Things like 42/7 = 7 can really mess up a full equation and add 1-2 minutes to the question. Also not noticing words like "cannot" or "from the remainder of" or "x is an integer" can hurt a lot. Sometimes the GMAT answer choices don't agree with my flawed algebra, and I get the chance to go back and find my mistake, but if I rush through with a "trap" error that the test makers built into the answer, I'll likely get it wrong.

My advice would be to practice your algebra, and to hone your testing-numbers skills on DS. Most problems can be solved with a good understanding of algebra -- it's worth spending an extra amount of time on general math manipulations (square roots, fractions, quadratics) and setting up good equations rather than the specific comb/prob-type questions that might only come up once or twice.

Re: improving your quant from 44-46 to 50+ [#permalink]
20 Sep 2010, 00:37

It is funny that we are complaining about being "stuck" at a relatively decent score I would have killed to be at this score a few months ago.

You bring up a good topic… what to do when you have made a mistake. I did a problem earlier that used the compound interest formula and for some reason i did 11^2 = 111. Once you get to the answer choices and not seeing your answer is a really bad feeling. I went back and started from scratch and screwed up again (same mistake). I had so much time invested in the problem I checked everything and found my mistake. Of course, on a real test this is probably not practical. You then have to deal with the anxiety of wondering if you got the formula wrong, or whatever else went wrong. On a tougher problem, I usually look for any errors (of course they are always hard to find under a time constraint), and then just pick the answer closest to mine. On a simple problem that you know you should get, it is really hard to just guess and keep going.