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25 Aug 2022, 01:30
Kudos
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D
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Difficulty:
15%
(low)
Question Stats:
87% (00:40) correct
13%
(00:54)
wrong
based on 47
sessions
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Not Attempted Yet
What is the value of m?
(1) 4m - 5 = 7
(2) m^2 + 9 = 6m
(1) 4m - 5 = 7
(2) m^2 + 9 = 6m
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
25 Aug 2022, 02:49
Kudos
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Bunuel
1) 4m-5=7
One linear equation and one variable, so sufficient.
4m=12……m=3
2) \(m^2+9=6m\)
Quadratic equation should give TWO values of m, but they can be SAME too, so check.
\(m^2-6m+9=0\)
\((m-3)^2=0\)
So, m=3
D
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