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17 Sep 2023, 05:45
Kudos
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
74% (00:43) correct
26%
(01:16)
wrong
based on 39
sessions
History
Date
Time
Result
Not Attempted Yet
Is m/n > 0?
(1) m + n > 0
(2) mn > 0
(1) m + n > 0
(2) mn > 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 Sep 2023, 06:04
Kudos
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Asked: Is \(\frac{ m}{n}\) > 0?
Basically, we're asked whether both m and n have the same or opposite signs.
Statement 1: m + n > 0.
This is not sufficient as m and n could be -ve and +ve. For eg, m = 5 and n = - 3 and m = 5 and n =3.
Statement 2: mn > 0
This is sufficient as both m and n have the same signs.
Answer: B.
Basically, we're asked whether both m and n have the same or opposite signs.
Statement 1: m + n > 0.
This is not sufficient as m and n could be -ve and +ve. For eg, m = 5 and n = - 3 and m = 5 and n =3.
Statement 2: mn > 0
This is sufficient as both m and n have the same signs.
Answer: B.
17 Sep 2023, 06:34
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Bunuel
Given condition will be possible when both m &n are.of same sign
#1
m+n>0
Not always true as either m or n be -ve
#2
mn>0
Possible when both are of same sign
Sufficient for condition
Option B is correct
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