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14 Oct 2019, 03:07
Kudos
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E
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:
72% (01:02) correct
28%
(00:59)
wrong
based on 78
sessions
History
Date
Time
Result
Not Attempted Yet
If x and y are both positive, is xy greater than 1?
(1) x is less than 1.
(2) y is greater than 1.
(1) x is less than 1.
(2) y is greater than 1.
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
14 Oct 2019, 06:21
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Bunuel
Clearly we require to know both the values, and the statement combined too do not give an answer..
If x=0.1 and y=5..ans is NO
If y=0.1 and y = 100..ans is YES
Insuff
E
14 Oct 2019, 06:53
Kudos
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Bunuel
(1) x is less than 1.
--> We don't know anything about y --> Insufficient
(2) y is greater than 1
--> We don't know anything about x --> Insufficient
Combining (1) & (2),
x < 1 & y > 1
Case 1: Let x = 0.5 & y = 100 --> xy = 50 > 1 --> Yes
Case 2: Let x = 0.05 & y = 2 --> xy = 0.1 < 1 --> No
--> Insufficient
IMO Option E
