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14 Mar 2022, 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:
5%
(low)
Question Stats:
95% (00:27) correct
5%
(00:32)
wrong
based on 66
sessions
History
Date
Time
Result
Not Attempted Yet
Is pq > 0?
(1) p < 0
(2) q < 0
(1) p < 0
(2) q < 0
14 Mar 2022, 01:41
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\(\frac{AD}{BCE}\)
Statement 1: Insufficient
P<0.
We don't know anything about Q.
If Q<0, then PQ>0( Negative * Negative = Positive)
If Q>0, then PQ<0 (Negative * Positive = Negative)
Eliminate A D
Statement 2: Insufficient
Q<0
We don't know anything about P
If P<0, then PQ>0( Negative * Negative = Positive)
If P>0, then PQ<0 (Negative * Positive = Negative)
Eliminate B
Combining 1 & 2: Sufficient
We know that P & Q are negative. So, Negative * Negative = Positive > 0
Answer C
Statement 1: Insufficient
P<0.
We don't know anything about Q.
If Q<0, then PQ>0( Negative * Negative = Positive)
If Q>0, then PQ<0 (Negative * Positive = Negative)
Eliminate A D
Statement 2: Insufficient
Q<0
We don't know anything about P
If P<0, then PQ>0( Negative * Negative = Positive)
If P>0, then PQ<0 (Negative * Positive = Negative)
Eliminate B
Combining 1 & 2: Sufficient
We know that P & Q are negative. So, Negative * Negative = Positive > 0
Answer C
14 Mar 2022, 01:53
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Explanation:
To find: pq<0
1. p<0
we don't know anything about q.
Not Sufficient
2. q<0
we don't know anything about p.
Not Sufficient
From St.1 & St.2,
we know, p<0 & q<0.
So pq<0
Sufficient
IMO-C
To find: pq<0
1. p<0
we don't know anything about q.
Not Sufficient
2. q<0
we don't know anything about p.
Not Sufficient
From St.1 & St.2,
we know, p<0 & q<0.
So pq<0
Sufficient
IMO-C
