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.
Point C is the midpoint of AB
[#permalink]
18 Sep 2020, 10:23
18 Sep 2020, 10:23
7
2
Expert Reply
13
Bookmarks
00:00
Question Stats:
53% (01:34) correct
46% (01:53) wrong based on 196 sessions
Hide Show timer Statistics
Attachment:
GRE Point C is the midpoint.png [ 10.24 KiB | Viewed 8558 times ]
Point C is the midpoint of \(\overline {AB}\) and n is a positive integer.
Quantity A |
Quantity B |
k |
14 |
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.
Re: Point C is the midpoint of AB
[#permalink]
18 Sep 2020, 19:34
18 Sep 2020, 19:34
4
3
Bookmarks
if C is a midpoint of AB, it is true that:
\(k*3^n = \frac{(3^n + 3^{n+3})}{2}\)
doing some math:
\(2*k-1 = \frac{(3^{n+3})}{3^n}\)
\(2*k-1 = 3^3\)
\(k= 14\)
\(k*3^n = \frac{(3^n + 3^{n+3})}{2}\)
doing some math:
\(2*k-1 = \frac{(3^{n+3})}{3^n}\)
\(2*k-1 = 3^3\)
\(k= 14\)
General Discussion
Re: Point C is the midpoint of AB
[#permalink]
18 Sep 2020, 10:24
18 Sep 2020, 10:24
3
Expert Reply
1
Bookmarks
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!
For more theory and practice see our GRE - Math Book
Question From Our New Project: GRE Quant Challenge Questions Daily - NEW EDITION!
For more theory and practice see our GRE - Math Book
