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C
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Difficulty:
5%
(low)
Question Stats:
84% (00:42) correct
16%
(00:50)
wrong
based on 262
sessions
History
Date
Time
Result
Not Attempted Yet
What is the value of x?
(1) \(x^4=625\)
(2) \(x^3< x^2\)
(1) \(x^4=625\)
(2) \(x^3< x^2\)
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Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
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Data Sufficiency Forum
31 Oct 2018, 11:11
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Stmt 1: \(x^4\) = 625, so x can be +5 or -5, hence insuff.
Stmt 2: \(x^3\)<\(x^2\) gives us\(x^2\)*(x-1)<0, since \(x^2\) is always positive, x-1 <0 which gives x <1, insuff.
Combined: x has to be -5 from results of both stmts. Suff
Hence Option C
Stmt 2: \(x^3\)<\(x^2\) gives us\(x^2\)*(x-1)<0, since \(x^2\) is always positive, x-1 <0 which gives x <1, insuff.
Combined: x has to be -5 from results of both stmts. Suff
Hence Option C
05 Apr 2020, 10:14
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