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Difficulty:
35%
(medium)
Question Stats:
72% (01:41) correct
28%
(02:11)
wrong
based on 76
sessions
History
Date
Time
Result
Not Attempted Yet
Is x^2 greater than x ?
(1) x^2 is greater than 2x.
(2) 2x^2 is greater than x.
_________________
(1) x^2 is greater than 2x.
(2) 2x^2 is greater than x.
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
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Is \(x^2\) greater than x ?
—> x(x—1) > 0
x <0 and x> 1 ???
(Statement1): \(x^2\) is greater than 2x.
—> x( x—2) > 0
x <0 and x >2
Sufficient
(Statement2): \(2x^2\) is greater than x.
—> x (2x—1) > 0
x< 0 and \(x>\frac{1}{2}\)
If \(x= \frac{3}{4}\), it’s No
If x= 2, it is Yes
Insufficient
The answer is A.
Posted from my mobile device
—> x(x—1) > 0
x <0 and x> 1 ???
(Statement1): \(x^2\) is greater than 2x.
—> x( x—2) > 0
x <0 and x >2
Sufficient
(Statement2): \(2x^2\) is greater than x.
—> x (2x—1) > 0
x< 0 and \(x>\frac{1}{2}\)
If \(x= \frac{3}{4}\), it’s No
If x= 2, it is Yes
Insufficient
The answer is A.
Posted from my mobile device
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