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Updated on: 23 Feb 2015, 14:02
Originally posted by Stardust Chris on 23 Feb 2015, 09:56.
Last edited by Stardust Chris on 23 Feb 2015, 14:02, edited 1 time in total.
Last edited by Stardust Chris on 23 Feb 2015, 14:02, edited 1 time in total.
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
89% (00:25) correct
11%
(00:35)
wrong
based on 44
sessions
History
Date
Time
Result
Not Attempted Yet
What is the value of \(x^8\) ?
(1) \(x^2=16\)
(2) \(x<0\)
(1) \(x^2=16\)
(2) \(x<0\)
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
23 Feb 2015, 10:15
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Stardust Chris
ans A...
statement 1 gives the value as 16^4
23 Feb 2015, 11:49
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Stardust Chris
Statement 1: x^2 = 16
i.e. x = +4
But for both x=+4, x^8 will have same value therefore
SUFFICIENT
Statement 2: x<0
for uncertain value of x, the value of x^8 will also be uncertain therefore
NOT SUFFICIENT
Answer: Option
