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17 Oct 2019, 01:49
Kudos
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A
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Difficulty:
5%
(low)
Question Stats:
95% (00:41) correct
5%
(00:46)
wrong
based on 60
sessions
History
Date
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Not Attempted Yet
What is the value of x?
(1) \(16^{(x + 5)} = 2^{(2x + 1)}\)
(2) x is less than 0.
(1) \(16^{(x + 5)} = 2^{(2x + 1)}\)
(2) x is less than 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
17 Oct 2019, 04:44
Kudos
Bookmarks
What is the value of x?
(1) \(16^{(x + 5)} = 2^{(2x + 1)}\)
\(16^{(x + 5)} = 2^{(2x + 1)}\)....\(2^{4(x + 5)} = 2^{(2x + 1)}\).
Equating the power on the two sides...4(x+5)=2x+1....4x+20=2x+1
We can find x..
Suff
(2) x is less than 0.
x could be anything less than 0..
A
(1) \(16^{(x + 5)} = 2^{(2x + 1)}\)
\(16^{(x + 5)} = 2^{(2x + 1)}\)....\(2^{4(x + 5)} = 2^{(2x + 1)}\).
Equating the power on the two sides...4(x+5)=2x+1....4x+20=2x+1
We can find x..
Suff
(2) x is less than 0.
x could be anything less than 0..
A
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