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Intern
Joined: 02 Jun 2009
Posts: 23

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02 Jun 2009, 03:43
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

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Is mod (x) < 1 ?

(1) ⏐mod (x + 1)⏐ = 2 mod (x - 1)⏐
(2) ⏐mod (x - 3)⏐ ≠ 0

St 1:
(x+1) = 2(x-1)
X = 3
(x+1) = -2(x-1)
X = 1/3

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Senior Manager
Joined: 16 Jan 2009
Posts: 349
Concentration: Technology, Marketing
GMAT 1: 700 Q50 V34
GPA: 3
WE: Sales (Telecommunications)

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03 Jun 2009, 12:05
from (1)

x=-+3
OR
x=-+1/3

so (1) not sufficient

from (2)

x!=-+3
so (2) not sufficient

using (1) and (2) togother,

x=-+1/3
in any case mod (x) < 1

IMO C

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If you would like to discuss this question please re-post it in the respective forum. Thank you!

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Lahoosaher

Re: mod   [#permalink] 03 Jun 2009, 12:05
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