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29 Sep 2022, 02:30
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C
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Difficulty:
5%
(low)
Question Stats:
85% (00:49) correct
15%
(00:53)
wrong
based on 68
sessions
History
Date
Time
Result
Not Attempted Yet
If x and y are integers, what is the value of y ?
(1) y = x^2
(2) xy = 8
(1) y = x^2
(2) xy = 8
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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
09 Oct 2022, 20:19
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Sol
X and y are intergers.
Statement 1
Y = X^2
Y can have multiple values depending on the value of X.
Not sufficient
Statement 2
XY = 8
X and Y can have multiple values
(1,8) (2,4) (8, 1) (-1, -8) (-2, -4) (-8, -1)
Not sufficient
Statement 1 + Statement 2
Y = x^2
XY = 8
X*X^2 = 8
X^3 = 8
X = 2
Y = 4
Ans C
Posted from my mobile device
X and y are intergers.
Statement 1
Y = X^2
Y can have multiple values depending on the value of X.
Not sufficient
Statement 2
XY = 8
X and Y can have multiple values
(1,8) (2,4) (8, 1) (-1, -8) (-2, -4) (-8, -1)
Not sufficient
Statement 1 + Statement 2
Y = x^2
XY = 8
X*X^2 = 8
X^3 = 8
X = 2
Y = 4
Ans C
Posted from my mobile device
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