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.
Let d be defined as d^2/2 for all values
[#permalink]
30 Jun 2020, 09:08
30 Jun 2020, 09:08
Expert Reply
00:00
Question Stats:
66% (00:29) correct
33% (00:47) wrong based on 68 sessions
Hide Show timer Statistics
Let \(d \triangle\) be defined as \(\frac{d^2}{2}\) for all values of d.
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.
Quantity A |
Quantity B |
\([d \triangle] \triangle\) |
\(\frac{d^4}{8}\) |
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.
Re: Let d be defined as d^2/2 for all values
[#permalink]
30 Jun 2020, 09:09
30 Jun 2020, 09:09
Expert Reply
Post A Detailed Correct Solution For The Above Questions And Get A Kudos.
Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!
Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: Let d be defined as d^2/2 for all values
[#permalink]
30 Jun 2020, 09:55
30 Jun 2020, 09:55
1
Carcass wrote:
Let \(d \triangle\) be defined as \(\frac{d^2}{2}\) for all values of d.
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.
Quantity A |
Quantity B |
\([d \triangle] \triangle\) |
\(\frac{d^4}{8}\) |
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.
QUANTITY A: \([d \triangle] \triangle\)
\([d \triangle] = \frac{d^2}{2}\)
So, \([d \triangle] \triangle = \frac{d^2}{2}\triangle = \frac{(\frac{d^2}{2})^2}{2} = \frac{\frac{d^4}{4}}{2}=(\frac{d^4}{4})(\frac{1}{2}) = \frac{d^4}{8}\)
QUANTITY B: \(\frac{d^4}{8}\)
Answer: C
Cheers,
Brent
