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Each of the letters in the table attached represents one of

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Senior Manager
Joined: 30 May 2005
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Each of the letters in the table attached represents one of [#permalink]  02 Jul 2005, 15:37
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Each of the letters in the table attached 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
Joined: 03 Nov 2004
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I will go with B. r= 3

Statement 1: V is 3 and z is 3
Statement 2: s + t + u + x = 6
The only value that will satisfy this equation is when
s + t is 3 and u + x is 3.
Since s + t is 3 which means that one of them will be 2 and the other one will be 1, so r has to be 3
Director
Joined: 03 Nov 2004
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AJB, Do you want to post the OA or wait for some more participants?
Director
Joined: 03 Nov 2004
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Kudos [?]: 19 [0], given: 0

AJB77 wrote:
OA is D

For S1, r=3.

Senior Manager
Joined: 30 May 2005
Posts: 374
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Kudos [?]: 7 [0], given: 0

v+z=6 => v=3, z=3. This means that s and t cannot be 3 because they are in the same column as v and z respectively. Since one number in the top row has to be a 3, r = 3
Director
Joined: 03 Nov 2004
Posts: 868
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Kudos [?]: 19 [0], given: 0

AJB77 wrote:

v+z=6 => v=3, z=3. This means that s and t cannot be 3 because they are in the same column as v and z respectively. Since one number in the top row has to be a 3, r = 3

Thanks AJB, missed out on the 'same column'
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