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xyz<0
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26 Jul 2021, 07:44
26 Jul 2021, 07:44
Expert Reply
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Question Stats:
82% (00:43) correct
17% (00:45) wrong based on 41 sessions
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\(xyz<0\)
\(yz>0\)
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
\(yz>0\)
Quantity A |
Quantity B |
x |
y |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Re: xyz<0
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26 Jul 2021, 07:47
26 Jul 2021, 07:47
1
\(xyz<0\) & \(yz>0\)
With this we know that either \(x, y, z\) all are -ve or all are -ve or any one is -ve
Take \(x = 2, y = -1, z = -3\) :: Qt A > Qt B
Take \(x = -2, y = -1, z = -3\) :: Qt A < Qt B
Answer D
With this we know that either \(x, y, z\) all are -ve or all are -ve or any one is -ve
Take \(x = 2, y = -1, z = -3\) :: Qt A > Qt B
Take \(x = -2, y = -1, z = -3\) :: Qt A < Qt B
Answer D
xyz<0
[#permalink]
04 Aug 2022, 04:03
04 Aug 2022, 04:03
1
\(xyz < 0\)
\(x(positive) < 0\)
=> \(x < 0\)
\(yz > 0\)
=> Both z and y are negative
OR
=> Both z and y are positive
=> y may be negative OR positive
Hence, the answer is D
\(x(positive) < 0\)
=> \(x < 0\)
\(yz > 0\)
=> Both z and y are negative
OR
=> Both z and y are positive
=> y may be negative OR positive
Hence, the answer is D
