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# r s t u v w x y z Each of the letters in the table above

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Senior Manager
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r s t u v w x y z Each of the letters in the table above [#permalink]  04 Feb 2008, 22:42
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r s t
u v w
x y z

Each of the letters in the table above represents one of the numbers 1, 2, or 3, and each of these numbers occurs exactly once in each row and exactly once in each column. What is the value of r?
(1) v + z = 6
(2) s + t + u + x = 6
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Director
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Re: Letters in a table ? [#permalink]  04 Feb 2008, 22:55
r s t
u v w
x y z

Each of the letters in the table above represents one of the numbers 1, 2, or 3, and each of these numbers occurs exactly once in each row and exactly once in each column. What is the value of r?
(1) v + z = 6
(2) s + t + u + x = 6

From the stmt 1 we have V and Z in different columns and V+Z =6 so V=Z=3 thus s,t cannot be 3 and thus r=3
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Director
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Re: Letters in a table ? [#permalink]  05 Feb 2008, 06:56
suntaurian wrote:
r s t
u v w
x y z

Each of the letters in the table above represents one of the numbers 1, 2, or 3, and each of these numbers occurs exactly once in each row and exactly once in each column. What is the value of r?
(1) v + z = 6
(2) s + t + u + x = 6

1: sufficient r = 3 because 3 has to be in row 1 and column 1.
2: sufficient r = 3 because r + s + t = 6, r + u + x = 6 -> 2*r = 12-6 = 6 -> r = 3

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Re: Letters in a table ? [#permalink]  05 Feb 2008, 07:38
maratikus wrote:
suntaurian wrote:
r s t
u v w
x y z

Each of the letters in the table above represents one of the numbers 1, 2, or 3, and each of these numbers occurs exactly once in each row and exactly once in each column. What is the value of r?
(1) v + z = 6
(2) s + t + u + x = 6

1: sufficient r = 3 because 3 has to be in row 1 and column 1.
2: sufficient r = 3 because r + s + t = 6, r + u + x = 6 -> 2*r = 12-6 = 6 -> r = 3

should be D.

nice question.
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Senior Manager
Joined: 06 Jul 2006
Posts: 295
Location: SFO Bay Area
Schools: Berkeley Haas
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Re: Letters in a table ? [#permalink]  05 Feb 2008, 09:14
OA is D.

I had gotten it right, but thougt it is a good one to share...
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Re: Letters in a table ?   [#permalink] 05 Feb 2008, 09:14
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