Events & Promotions
|
|
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.
May 2008:00 AM PDT
-08:30 AM PDT
What’s in it for you- Live Profile Evaluation Chat Session with Jenifer Turtschanow, CEO, ARINGO. Come with your details prepared and ARINGO will share insights! Pre-MBA Role/Industry, YOE, Exam Score, C/GPA, ECs Post-MBA Role/ Industry & School List.
May 1501:00 PM IST
-11:00 AM IST
Start your journey with a fully customized action plan and work with a dedicated mentor to achieve a 735+ score.
May 1912:00 PM PDT
-01:00 PM PDT
Scoring 329 on the GRE is not always about using more books, more courses, or a longer study plan. In this episode of GRE Success Talks, Ashutosh shares his GRE preparation strategy, study plan, and test-day experience, explaining how he kept his prep....- Jun 10
06:00 AM PDT
-06:15 PM PDT
Register for the GMAT Club Virtual MBA Spotlight Fair – the world’s premier event for serious MBA candidates. This is your chance to hear directly from Admissions Directors at nearly every Top 30 MBA program..
13 Sep 2017, 21:49
Kudos
Bookmarks
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
94% (00:46) correct
6%
(01:14)
wrong
based on 150
sessions
History
Date
Time
Result
Not Attempted Yet
Cube A has a volume of a cubic inches. If each side of Cube B is twice as long as each side of Cube A, then what is the volume of Cube B?
A. 2a
B. 4a
C. 6a
D. 8a
E. 16a
A. 2a
B. 4a
C. 6a
D. 8a
E. 16a
13 Sep 2017, 22:35
Kudos
Bookmarks
Volume of cube= L^3
Volume of cube A= a cubic inches
a= L^3
L= a^1/3
Side of cube B is twice as long as side of A.
Side of Cube B= l= 2*(a^1/3)
Volume of Cube B= l^3
= 2^3 * (a^1/3)^3
=8*a
Hence Answer is option D.
Kudos if it helps.
Volume of cube A= a cubic inches
a= L^3
L= a^1/3
Side of cube B is twice as long as side of A.
Side of Cube B= l= 2*(a^1/3)
Volume of Cube B= l^3
= 2^3 * (a^1/3)^3
=8*a
Hence Answer is option D.
Kudos if it helps.
Bunuel
Volume of Cube A = a = \(s * s* s\).
Cube B = (2s * 2s * 2s), or 8(s * s * s)
Substitute a for (s * s * s): volume of Cube B = 8a
OR
Let Cube A have sides = 1.
Volume is (1*1*1) = a
Each of Cube B's sides is twice as long as Cube A's sides.
Cube B has sides = 2.
Volume of B is
(2*1) * (2*1) * (2*1), or
(2*2*2)(1*1*1).
Substitute a for (1*1*1):
(2*2*2)(a) = 8a, is volume of Cube B
Basically: For dilation, to get resultant volume, multiply the volume of the original by the multiplier cubed -- because each length is scaled up by the multiplier, and volume = (length * length * length).
Multiplier is 2
2\(^3\) = 8
Volume of Cube A = a, so
volume of Cube B = 8a
ANSWER D
