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03 Mar 2023, 02:30
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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:
35%
(medium)
Question Stats:
57% (01:04) correct
43%
(00:47)
wrong
based on 49
sessions
History
Date
Time
Result
Not Attempted Yet
Is ab > cd ?
(1) a > c
(2) b > d
(1) a > c
(2) b > d
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
03 Mar 2023, 04:56
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Is ab > cd ?
(1) a > c
no info on b and d
Not sufficient
(2) b > d
no info on a and c
Not sufficient
Combining statement 1 and 2 together
Since multiplication operation can only be done when both sides are positive in the given inequalities, we are not sure if the given inequality ab> cd is true or not.
The variables a,b, c and d can be positive or negative.
Answer E
(1) a > c
no info on b and d
Not sufficient
(2) b > d
no info on a and c
Not sufficient
Combining statement 1 and 2 together
Since multiplication operation can only be done when both sides are positive in the given inequalities, we are not sure if the given inequality ab> cd is true or not.
The variables a,b, c and d can be positive or negative.
Answer E
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