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Please Help me ! PLEASE !! (Data Sufficiency)

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Joined: 14 May 2010
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Please Help me ! PLEASE !! (Data Sufficiency) [#permalink] New post 30 Jun 2010, 18:52
Hi,

I am having trouble with the DS style questions, even the easy ones ! In problem solving I feel I got some mojo, in DS I am like a brick

I've been practicing for quite some time now, and I still can't get my head around these frustrating questions, i've tried all different sorts of strategies :

AD/BCE , covering the stem, looking for hidden constrains, imagining the stem as part of the question, praying, dragon fire, unicorn dust ... nothing works !

I just can't seem to get my head around them

On my first attempt at a sample of about 80 DS questions from the official guide [40 "easy" bin and 40 from the "difficult bin"] my hit rate was %82 and %77 respectively, as in the percentage of questions I got correct

But that's with really being liberal with the timing

Anyhow, my questions are two :

1- Is such a hit rate normal ? (i.e if I didn't get %90 from the first solving attempts, can I still get a high quant score ? I'm worried its a you get it or you don't kind of thing)

2- Do you have any words to help with DS style questions, anything, tips, advice, strategy. I just get shaken completely when I see a DS question

Thank You
CEO
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Status: Nothing comes easy: neither do I want.
Joined: 12 Oct 2009
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Location: Malaysia
Concentration: Technology, Entrepreneurship
Schools: ISB '15 (M)
GMAT 1: 670 Q49 V31
GMAT 2: 710 Q50 V35
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Re: Please Help me ! PLEASE !! (Data Sufficiency) [#permalink] New post 30 Jun 2010, 19:14
Mastering the DS is possible with prolonged practice.

for number properties and inequalities, make sure you check these things everytime.
for any value X:
1) check fraction vs integer
2) check positive vs zero vs negative
3) check even vs odd
4) master your co-ordinate geometry and number lines. visualize the equations on graphs

Don't solve the whole question, take one statement at a time. If possible place some paper on options while looking at a particular statement. Gmat has limited number of permutations for DS type, try to master them.

Og and gmat club's quant tests are good source of DS questions.
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Re: Please Help me ! PLEASE !! (Data Sufficiency)   [#permalink] 30 Jun 2010, 19:14
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Please Help me ! PLEASE !! (Data Sufficiency)

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