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11 Jul 2019, 02:04
Kudos
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A
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Difficulty:
5%
(low)
Question Stats:
96% (00:55) correct
4%
(01:14)
wrong
based on 45
sessions
History
Date
Time
Result
Not Attempted Yet
If x = 3y, what is the value of x + y ?
(1) 3y = 4x + 21
(2) x > y
(1) 3y = 4x + 21
(2) x > y
Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
For relevant Data Sufficiency questions, please check the Data Sufficiency forum:
Data Sufficiency Forum
Data Sufficiency Forum
11 Jul 2019, 02:27
Kudos
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Bunuel
P: x=3y
Q: x+y=?
S1:
3y = 4x + 21
3y = 12y + 21
\(y = \frac{-7}{3}\)
x= -7
\(x+y= -7-\frac{7}{3}= \frac{-28}{3}\)
SUFFICIENT
S2:
x>y
NOT SUFFICIENT
since x+y=4y can take multiple values
NOT SUFFICIENT
IMO A
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