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# GMAT -Prep PS1

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Senior Manager
Joined: 05 Jun 2008
Posts: 289

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21 Dec 2008, 08:50
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 100% (01:23) wrong based on 2 sessions

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--== Message from GMAT Club Team ==--

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VP
Joined: 17 Jun 2008
Posts: 1474

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21 Dec 2008, 12:19
1
The figure with + sign in the diagonal cell indicates the following:

x + 4 = 1, or x = -3
x + e = 7, or e = 10
y + 4 = -5, or y = -9
y + e = n, or n = 1
e + z = 10, or z = 0
z + 4 = m, or m = 4

Hence, m + n = 5.
SVP
Joined: 29 Aug 2007
Posts: 2419

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21 Dec 2008, 14:54
1
vivektripathi wrote:

m = z+4
n = e+y

m+n = z+4+e+y
m+n = 10+4+y
m+n = 10-5 (since 4+y = -5)
m+n = 5
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Senior Manager
Joined: 21 Apr 2008
Posts: 265
Location: Motortown

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21 Dec 2008, 20:34
wow, never expected GMAT to have questions like this.
Looked like a Sudoku game

But it is not as complicated as it looks, agree with Answer m+n = 5
Senior Manager
Joined: 05 Jun 2008
Posts: 289

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22 Dec 2008, 09:37
scthakur wrote:
The figure with + sign in the diagonal cell indicates the following:

x + 4 = 1, or x = -3
x + e = 7, or e = 10
y + 4 = -5, or y = -9
y + e = n, or n = 1
e + z = 10, or z = 0
z + 4 = m, or m = 4

Hence, m + n = 5.

+ for this, how did you figured this one? Have you came across such type of questions?
Director
Joined: 27 Jun 2008
Posts: 505
WE 1: Investment Banking - 6yrs

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22 Dec 2008, 11:35
I've come across this question twice, and I agree, I couldnt get the right answer.
I scratched my head after the test, but still couldnt figure out the way.

I understand it better - GMAT TIGER....kudos
VP
Joined: 17 Jun 2008
Posts: 1474

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24 Dec 2008, 02:50
vivektripathi wrote:
scthakur wrote:
The figure with + sign in the diagonal cell indicates the following:

x + 4 = 1, or x = -3
x + e = 7, or e = 10
y + 4 = -5, or y = -9
y + e = n, or n = 1
e + z = 10, or z = 0
z + 4 = m, or m = 4

Hence, m + n = 5.

+ for this, how did you figured this one? Have you came across such type of questions?

This was the first question in one of my GMATPrep tests. I kept staring at it for couple of minutes but then also understood that since this was the first question, difficulty level would be simple to medium. Finally, it was + sign in the leftmost diagonal end that gave the clue.

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

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

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Re: GMAT -Prep PS1 &nbs [#permalink] 24 Dec 2008, 02:50
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