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# Can someone direct me to a previous post on this? I am

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Senior Manager
Joined: 29 Nov 2006
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Location: Orange County, CA
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Can someone direct me to a previous post on this? I am [#permalink]

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22 Jan 2007, 15:44
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Can someone direct me to a previous post on this?

I am pretty good about understanding the questions being asked but have a VERY hard time sticking with 2 minutes per question.

PS questions that require me to plug and play or do manual calculations (long division, multiplication, etc.) are time killers.

I have never finished the test on time and must always guess on the last 5-7 questions.

I have timed myself during practice and find I can zip through DS relatively quickly but take much longer on PS. With that, I also tend to miss more DS than PS so that's not good either.

My last Quant score on the official test was a 48 but I had to guess on the last 6-7 questions in order to avoid the penalty of not finishing on time. A little help from the group???
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22 Jan 2007, 16:15
hi... you can read my post "from 44-46 to 50" at the top of the forum. it has some comments on timing.

as you found out yourself - simple calculations tend to be the biggest time consumers.... and obviously there are 2 ways to cope with it:
b) find ways to solve that require less calculations

for (a) you'd need to practice a lot, but do yourself a favour - practice all calculations by heart. no pencil and paper (and definitely no calculator).
there are many shortcuts in calculations. for example 37*19 should always be done: 37*20 (that's easy 740). then substruct 37 to get 703.
there are plenty of such shortcuts and methods. the more you do it by heart the easier is to find them.

for (b) it is more complicated to explain... better do it by example... but in general it is all about representation. in gmat you can almost always represent the same data in a way that requires less calculations (i.e. find algebraic ways to simplify answers). also, in many cases you only need to roughly estimate the result and not do the calculations to the end. this can save you time as well. also, try to use "plugin numbers" very cautiously. looking at this forum i think it is overused and overrated as a solving method. and it may become a time killer as it always reduce things to simple (but potentially lengthy) calculations.

in order to better help you and others i suggest that you publish "time killer" questions. i.e questions that are not hard to solve but took too much time to solve. i'm sure that someone in this forum may be able to point the shortest way to the solution.
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