|
|
GMAT 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.
03 Aug 2019, 20:36
Kudos
Bookmarks
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
58% (01:14) correct
42%
(01:30)
wrong
based on 67
sessions
History
Date
Time
Result
Not Attempted Yet
If m is a positive integer, what is the value of \((5^{3m})(27^{m-5})\)?
(1) \(2^m=32\)
(2) \(m^2-4m=5\)
(1) \(2^m=32\)
(2) \(m^2-4m=5\)
GMATbuster's Collection
03 Aug 2019, 21:34
Kudos
Bookmarks
Solution as attached.
Attachments
WhatsApp Image 2019-08-04 at 10.03.00 AM.jpeg [ 97.9 KiB | Viewed 1494 times ]
03 Aug 2019, 21:55
Kudos
Bookmarks
(1) 2^m=32
m=5 ---> 5^(3m) * 27^(m−5) can be calculated.
SUFFICIENT
(2) m^2−4m=5
m=-1 or m=5. Since m is positive integer, eliminate m=-1.
m=5 ---> 5^(3m) * 27^(m−5) can be calculated.
SUFFICIENT
Answer is (D)
Posted from my mobile device
m=5 ---> 5^(3m) * 27^(m−5) can be calculated.
SUFFICIENT
(2) m^2−4m=5
m=-1 or m=5. Since m is positive integer, eliminate m=-1.
m=5 ---> 5^(3m) * 27^(m−5) can be calculated.
SUFFICIENT
Answer is (D)
Posted from my mobile device
