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

It is currently 06 Dec 2019, 00:36

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

The proportion of annual expense on food in a household remains

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

Hide Tags

Find Similar Topics 
Math Expert
avatar
V
Joined: 02 Aug 2009
Posts: 8284
The proportion of annual expense on food in a household remains  [#permalink]

Show Tags

New post 06 Dec 2017, 10:36
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

63% (01:24) correct 37% (01:09) wrong based on 108 sessions

HideShow timer Statistics

The proportion of annual expense on food in a household remains constant even after the annual expense on food increases by 20%. What would be the increase in Total annual expense?

(A) 0%
(B) 10%
(C) 20%
(D) 25%
(E) Cannot be determined

_________________
Intern
Intern
avatar
B
Joined: 26 Mar 2017
Posts: 17
Location: India
Schools: Great Lakes '19
GMAT 1: 580 Q47 V23
GPA: 3.1
Re: The proportion of annual expense on food in a household remains  [#permalink]

Show Tags

New post 06 Dec 2017, 10:43
I think its E

Bcoz answer depends on how many other proportions are there in the household.


Sent from my iPhone using GMAT Club Forum
Senior PS Moderator
User avatar
V
Joined: 26 Feb 2016
Posts: 3300
Location: India
GPA: 3.12
Re: The proportion of annual expense on food in a household remains  [#permalink]

Show Tags

New post 06 Dec 2017, 12:11
chetan2u wrote:
The proportion of annual expense on food in a household remains constant even after the annual expense on food increases by 20%. What would be the increase in Total annual expense?

(A) 0%
(B) 10%
(C) 20%
(D) 25%
(E) Cannot be determined


Let the proportion of expense on food to the total expense be x:y

The expense on food increases by 20%, making the expense on food 1.2x
Since this proportion has to remain constant, the total expense must become 1.2y(a 20% increase) (Option C)
_________________
You've got what it takes, but it will take everything you've got
Director
Director
User avatar
P
Joined: 04 Sep 2015
Posts: 664
Location: India
WE: Information Technology (Computer Software)
Premium Member Reviews Badge
Re: The proportion of annual expense on food in a household remains  [#permalink]

Show Tags

New post 17 Dec 2018, 09:40
chetan2u wrote:
The proportion of annual expense on food in a household remains constant even after the annual expense on food increases by 20%. What would be the increase in Total annual expense?

(A) 0%
(B) 10%
(C) 20%
(D) 25%
(E) Cannot be determined



solution:

lets assume the annual expense to be 100, then assume the food expense be 20.
now it says that after the increase on food expense by 20% the proportion remains the same.

then
let the new household expense be x

20/100= (20*120/100)/x


x=120.

that means the new total expense is also increased by 20%.

So, C is the correct solution.
GMAT Club Bot
Re: The proportion of annual expense on food in a household remains   [#permalink] 17 Dec 2018, 09:40
Display posts from previous: Sort by

The proportion of annual expense on food in a household remains

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





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