It is currently 11 Dec 2018, 07:30
My Tests

Close

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

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

fraction problem

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4749
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 93

Kudos [?]: 1653 [0], given: 396

CAT Tests
fraction problem [#permalink] New post 15 May 2018, 15:48
Expert's post
00:00

Question Stats:

100% (01:07) correct 0% (00:00) wrong based on 6 sessions
\((\frac{1}{2})^3+(\frac{2}{3})^2+(\frac{1}{6})^1\)

A. \(\frac{1}{6}\)
B. \(\frac{1}{18}\)
C. \(\frac{5}{36}\)
D. \(\frac{53}{72}\)
E. \(\frac{8}{3}\)
[Reveal] Spoiler: OA

_________________

Sandy
If you found this post useful, please let me know by pressing the Kudos Button

Try our free Online GRE Test

Manager
Manager
Joined: 29 Nov 2017
Posts: 190
Location: United States
GRE 1: Q142 V146
WE: Information Technology (Computer Software)
Followers: 0

Kudos [?]: 77 [0], given: 99

Re: fraction problem [#permalink] New post 25 May 2018, 21:23
please explain -- I am getting D as an answer.
1 KUDOS received
GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4749
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 93

Kudos [?]: 1653 [1] , given: 396

CAT Tests
Re: fraction problem [#permalink] New post 26 May 2018, 00:28
1
This post received
KUDOS
Expert's post
this is one of those questions on the GRE whose sole purpose is to waste time.

Now this is a very basic arithmatic problem

\((\frac{1}{2})^3 + (\frac{2}{3})^2 + \frac{1}{6}\)

\(\frac{1}{8} + \frac{4}{9} + \frac{1}{6}\)

\(\frac{9}{72} + \frac{32}{72} + \frac{12}{72}\)=\(53/72\)



Now this takes valueable seconds. If you are well versed with numbers start replacing fractions with approx values in decimals

\(\frac{1}{8} + \frac{4}{9} + \frac{1}{6}\)

\(\frac{1}{8}=0.125\)
\(\frac{4}{9} \approx 0.5\)
\(\frac{1}{6} \approx 0.15\)

Henc the total value must be greater than 0.5.

Opton D is only one that fits.
_________________

Sandy
If you found this post useful, please let me know by pressing the Kudos Button

Try our free Online GRE Test

Re: fraction problem   [#permalink] 26 May 2018, 00:28
Display posts from previous: Sort by

fraction problem

  Question banks Downloads My Bookmarks Reviews Important topics  


GRE Prep Club Forum Home| About| Terms and Conditions and Privacy Policy| GRE Prep Club Rules| Contact

Powered by phpBB © phpBB Group

Kindly note that the GRE® test is a registered trademark of the Educational Testing Service®, and this site has neither been reviewed nor endorsed by ETS®.