GMAT Question of the Day - Daily to your Mailbox; hard ones only

It is currently 20 Sep 2018, 06:29

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.

Close

Request Expert Reply

Confirm Cancel

If x/4 is 2 more than x/8, then x =

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 49271
If x/4 is 2 more than x/8, then x =  [#permalink]

Show Tags

New post 23 Dec 2013, 07:29
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

90% (00:31) correct 10% (00:38) wrong based on 1058 sessions

HideShow timer Statistics

The Official Guide For GMAT® Quantitative Review, 2ND Edition

If x/4 is 2 more than x/8, then x =

(A) 4
(B) 8
(C) 16
(D) 32
(E) 64

Problem Solving
Question: 2
Category: Algebra First-degree equations
Page: 62
Difficulty: 500


GMAT Club is introducing a new project: The Official Guide For GMAT® Quantitative Review, 2ND Edition - Quantitative Questions Project

Each week we'll be posting several questions from The Official Guide For GMAT® Quantitative Review, 2ND Edition and then after couple of days we'll provide Official Answer (OA) to them along with a slution.

We'll be glad if you participate in development of this project:
1. Please provide your solutions to the questions;
2. Please vote for the best solutions by pressing Kudos button;
3. Please vote for the questions themselves by pressing Kudos button;
4. Please share your views on difficulty level of the questions, so that we have most precise evaluation.

Thank you!

_________________

New to the Math Forum?
Please read this: Ultimate GMAT Quantitative Megathread | All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


What are GMAT Club Tests?
Extra-hard Quant Tests with Brilliant Analytics

Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 49271
Re: If x/4 is 2 more than x/8, then x =  [#permalink]

Show Tags

New post 23 Dec 2013, 07:30
1
Director
Director
User avatar
Joined: 25 Apr 2012
Posts: 700
Location: India
GPA: 3.21
WE: Business Development (Other)
Premium Member Reviews Badge
Re: If x/4 is 2 more than x/8, then x =  [#permalink]

Show Tags

New post 23 Dec 2013, 11:26
1
Here plugging in helps...start with option c for possible x value and see which value satisfies the given equation
Or you can form an equation x/4= x/8+2 -----> x= 16

Note that x/4 = 2x/8 and thus x/8= 2 from the above equation and hence x= 16...

Ans C

Posted from my mobile device
_________________


“If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward.”

Manager
Manager
User avatar
Status: GMATting
Joined: 21 Mar 2011
Posts: 106
Concentration: Strategy, Technology
GMAT 1: 590 Q45 V27
GMAT ToolKit User
Re: If x/4 is 2 more than x/8, then x =  [#permalink]

Show Tags

New post 23 Dec 2013, 23:40
1
The direct approach would be like this:
x/4 = x/8 + 2
x/4 - x/8 = 2
(8x-4x) = 64
4x = 64
x=16

(C) is the answer.
Manager
Manager
avatar
Joined: 19 Apr 2013
Posts: 74
Concentration: Entrepreneurship, Finance
GMAT Date: 06-05-2015
GPA: 3.88
WE: Programming (Computer Software)
GMAT ToolKit User
Re: If x/4 is 2 more than x/8, then x =  [#permalink]

Show Tags

New post 24 Dec 2013, 01:02
1
If x/4 is 2 more than x/8, then x =

(A) 4
(B) 8
(C) 16
(D) 32
(E) 64

Used Option Choices:
Option 1, 2 can't be the answer as X/8 gives half and one.
Option 3 x/4 is 2 more than x/8== 16/4 = 16/8 +2 ==>>> 4= 4
option 4 32/4= 32/8+2 incorrect
Option 5 64/4 = 64/8 +2 incorrect.

Thanks,
AB

+1 Kudos If you like and understand.
_________________

Thanks,
AB

+1 Kudos if you like and understand.

Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 49271
Re: If x/4 is 2 more than x/8, then x =  [#permalink]

Show Tags

New post 24 Dec 2013, 03:23
Manager
Manager
avatar
Joined: 04 Oct 2013
Posts: 155
Location: India
GMAT Date: 05-23-2015
GPA: 3.45
GMAT ToolKit User Premium Member Reviews Badge
Re: If x/4 is 2 more than x/8, then x =  [#permalink]

Show Tags

New post 24 Dec 2013, 11:25
1
Let y = x/8.

So, 2y = x/4

Rewriting the equation (x/4) - (x/8) = 2 as 2y - y = 2, we get y = 2
Or, x/8 = 2
Or, x = 16

Hence, answer is option (C).
SVP
SVP
User avatar
Status: The Best Or Nothing
Joined: 27 Dec 2012
Posts: 1834
Location: India
Concentration: General Management, Technology
WE: Information Technology (Computer Software)
If x/4 is 2 more than x/8, then x =  [#permalink]

Show Tags

New post 11 Sep 2014, 02:41
\(\frac{x}{4} = 2 + \frac{x}{8}\)

x = 16

Answer = C
_________________

Kindly press "+1 Kudos" to appreciate :)

Intern
Intern
User avatar
Joined: 20 Oct 2015
Posts: 38
Re: If x/4 is 2 more than x/8, then x =  [#permalink]

Show Tags

New post 05 Jul 2016, 06:50
[quote="Bunuel"]The Official Guide For GMAT® Quantitative Review, 2ND Edition

If x/4 is 2 more than x/8, then x =

(A) 4
(B) 8
(C) 16
(D) 32
(E) 64

x/4=2+x/8

x/4=2x/8

2x/8=2+x/8

==> x/8=2

x=16

C
Intern
Intern
avatar
B
Joined: 11 Feb 2017
Posts: 8
Location: India
GMAT 1: 710 Q49 V38
GPA: 3.71
Re: If x/4 is 2 more than x/8, then x =  [#permalink]

Show Tags

New post 12 Feb 2017, 04:49
This is an Algebra, Linear Equations problem.
Such kind of sums need extra attention while setting up the equations and most of the options are trap answers from wrong set-up.
he correct set-up is : x/4 + 2 + x/8.
x/4-x/8=2
Here, if you realize that x/8 is actually half of x/4 then u directly have,
x/8=2
and therefore, x=16.
Board of Directors
User avatar
P
Status: QA & VA Forum Moderator
Joined: 11 Jun 2011
Posts: 4020
Location: India
GPA: 3.5
WE: Business Development (Commercial Banking)
GMAT ToolKit User Premium Member
Re: If x/4 is 2 more than x/8, then x =  [#permalink]

Show Tags

New post 12 Feb 2017, 07:07
itsmeechaitali wrote:
This is an Algebra, Linear Equations problem.
Such kind of sums need extra attention while setting up the equations and most of the options are trap answers from wrong set-up.
he correct set-up is : x/4 + 2 + x/8.
x/4-x/8=2
Here, if you realize that x/8 is actually half of x/4 then u directly have,
x/8=2
and therefore, x=16.


One of the best way of solving such questions is checking the options....

(C) \(x = 16\)

\(\frac{x}{8} = 2\)
\(\frac{x}{4} = 4\)

Where \(\frac{x}{4}\) is 2 more than \(\frac{x}{8}\)...

Thus, correct answer must be (C) 16
_________________

Thanks and Regards

Abhishek....

PLEASE FOLLOW THE RULES FOR POSTING IN QA AND VA FORUM AND USE SEARCH FUNCTION BEFORE POSTING NEW QUESTIONS

How to use Search Function in GMAT Club | Rules for Posting in QA forum | Writing Mathematical Formulas |Rules for Posting in VA forum | Request Expert's Reply ( VA Forum Only )

Intern
Intern
User avatar
B
Joined: 06 Sep 2018
Posts: 34
Re: If x/4 is 2 more than x/8, then x =  [#permalink]

Show Tags

New post 06 Sep 2018, 09:08
\(\frac{x}{4}=\frac{x}{8}+2\)
\(\frac{x}{4}-\frac{x}{8}=2\)
\(\frac{x}{8}=2\)
\(x=16\)

Answer C
_________________

Eric Thomas, "When you want to succeed as bad as you want to breathe, then you'll be successful."

Re: If x/4 is 2 more than x/8, then x = &nbs [#permalink] 06 Sep 2018, 09:08
Display posts from previous: Sort by

If x/4 is 2 more than x/8, then x =

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  

Events & Promotions

PREV
NEXT


GMAT Club MBA Forum Home| About| Terms and Conditions and Privacy Policy| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.