GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Nov 17Live Online Classes with Top GRE Expert Rich Zwelling
08:00 PM EST
-10:00 PM EST
Get live instruction from a top-scoring, industry-recognized GRE teachers + 6 months of access to TTP Self-Study included! Tues/Thur Sept 7, 2026---Feb. 2, 2027, 1:00pm-3:00pm EST
Dec 14Live Online Classes with Top GRE Expert Michael Butville
08:00 PM EST
-10:00 PM EST
Get live instruction from a top-scoring, industry-recognized GRE teachers + 6 months of access to TTP Self-Study included! Mon/Wed Dec. 14, 2026---Feb. 22, 2027, 8:00pm-10:00pm EST
ab2c3 > 0 a2b2c3 < 0
[#permalink]
18 Sep 2018, 04:33
18 Sep 2018, 04:33
3
Bookmarks
00:00
Question Stats:
61% (00:52) correct
38% (01:12) wrong based on 99 sessions
Hide Show timer Statistics
\(ab^2c^3 > 0\)
\(a^2b^2c^3 < 0\)
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
How to approach this question?
\(a^2b^2c^3 < 0\)
Quantity A |
Quantity B |
\(ab^2\) |
\(ac\) |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
How to approach this question?
Re: ab2c3 > 0 a2b2c3 < 0
[#permalink]
18 Sep 2018, 04:46
18 Sep 2018, 04:46
the first inequality is true if a<0 & c<0 or a>0 & c>0.
second inequality is true if c<0.
that's why it must be that a<0.
so we have a<0, b^2>0, and c<0.
thus the answer is B.
second inequality is true if c<0.
that's why it must be that a<0.
so we have a<0, b^2>0, and c<0.
thus the answer is B.
Re: ab2c3 > 0 a2b2c3 < 0
[#permalink]
18 Sep 2018, 04:54
18 Sep 2018, 04:54
saifee wrote:
the first inequality is true if a<0 & c<0 or a>0 & c>0.
second inequality is true if c<0.
that's why it must be that a<0.
so we have a<0, b^2>0, and c<0.
thus the answer is B.
second inequality is true if c<0.
that's why it must be that a<0.
so we have a<0, b^2>0, and c<0.
thus the answer is B.
I did not understand this - > "that's why it must be that a<0"
