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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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r s t u v w x y z Each of the letters in the table above [#permalink] New post 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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Re: Letters in a table ? [#permalink] New post 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

Answer is A

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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Re: Letters in a table ? [#permalink] New post 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

D is the answer.
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Re: Letters in a table ? [#permalink] New post 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

D is the answer.


should be D.

nice question.
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Re: Letters in a table ? [#permalink] New post 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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