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OG 12, DS question 166

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OG 12, DS question 166 [#permalink]

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New post 06 Sep 2009, 21:56
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A
B
C
D
E

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Please delete ths post mods. Thanks.
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Re: OG 12, DS question 166 [#permalink]

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New post 06 Sep 2009, 22:05
Expert's post
hi,
take statement II:-
it gives u (1/10)^n-1 < 0.1.... u can write 0.1 as 1/10.....
so (1/10)^n-1 < (1/10)^1....
this means (n-1)<1..... so n<2... sufficient
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Absolute modulus :http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html

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Re: OG 12, DS question 166 [#permalink]

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New post 06 Sep 2009, 22:09
for the given statment to be true

(1/10)^n-1 < 0.1 . n should be n>2 .

So it become equivalent to the first one. So the answer is D.
Re: OG 12, DS question 166   [#permalink] 06 Sep 2009, 22:09
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OG 12, DS question 166

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