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GMAT PREP - Tough One

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GMAT PREP - Tough One  [#permalink]

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New post 05 Dec 2009, 08:23
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 100% (00:00) wrong based on 1 sessions

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Can some please explain the answer?

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Senior Manager
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Re: GMAT PREP - Tough One  [#permalink]

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New post 05 Dec 2009, 09:13
dolly12 wrote:
Can some please explain the answer?


from the table we will get

x + 4 = 1 => x= -3
x+ e =7 => -3 + e = 7 => e= 10
e + z = 10 => z=0
4+ y = -5=> y=-9

4 + z = m => m =4
e +y = n => 10 + (-9) = n => n =1

n +m =5
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Re: GMAT PREP - Tough One  [#permalink]

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New post 05 Dec 2009, 22:09
Thanks .

OA is - 5.

It is straight answer, i got entangled in matrix, determinants etc.... :)

-Dolly
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Re: GMAT PREP - Tough One  [#permalink]

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New post 16 May 2011, 02:15
discussed many times.

5

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Re: GMAT PREP - Tough One &nbs [#permalink] 16 May 2011, 02:15
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