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12 Jun 2023, 01:30
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
82% (01:19) correct
18%
(01:52)
wrong
based on 44
sessions
History
Date
Time
Result
Not Attempted Yet
Is \(pr > 0\) ?
(1) \(pq > 0\)
(2) \(\frac{q}{r} < 0\)
(1) \(pq > 0\)
(2) \(\frac{q}{r} < 0\)
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
12 Jun 2023, 02:00
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From statement 1 it is clearly insufficient because we don't know the sign of p and q
From statement 2 also it is insufficient because here also we don't know the signs
From combining statement 1 and 2 ,it is possible to answer, the product of pr is greater than 0.
[C].
From statement 2 also it is insufficient because here also we don't know the signs
From combining statement 1 and 2 ,it is possible to answer, the product of pr is greater than 0.
[C].
Statement 1- Either both p and q are +ve or -ve - NS
Statement 2- q is -ve (<0) and 1/r is +ve (<0), so even r is +ve OR q is +ve and 1/r and r are -ve - NS
Combining both statements:
p and q have the same sign, while p and r have opposite signs. So, pr is -ve and is <0. So Option C.
Statement 2- q is -ve (<0) and 1/r is +ve (<0), so even r is +ve OR q is +ve and 1/r and r are -ve - NS
Combining both statements:
p and q have the same sign, while p and r have opposite signs. So, pr is -ve and is <0. So Option C.
