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by beater » Mon Sep 29, 2008 6:29 am
Please see the attachment for the table

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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Source: — Data Sufficiency |
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by 4meonly » Mon Sep 29, 2008 8:37 am
I think D

Numbers in rows do not equal, numbers in colums do not equal
only 1, 2, 3

(1)
v+z=6
only if v=z=3
Numbers in rows do not equal, numbers in colums do not equal, so r=3
SUFF

(2)
s+t+u+x=6
Numbers in rows do not equal, numbers in colums do not equal
s≠t, u≠x
can be
1+2+1+2=6, r=3
or 2+1+2+1=6, r=3
SUFF

D

OA?
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by stop@800 » Mon Sep 29, 2008 11:47 am
I am also for D

whats the OA?
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by beater » Mon Sep 29, 2008 6:11 pm
OA - D. Thanks!
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by rahul.s » Sat Jan 09, 2010 3:57 am
I opt for D as well.

This one is more like a Sudoku puzzle than a DS Q :)
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