GMAT Changed on April 16th - Read about the latest changes here

It is currently 24 May 2018, 22:25

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

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Solution X, which is 10% alcohol is combined

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

Hide Tags

3 KUDOS received
Current Student
User avatar
S
Joined: 28 Nov 2014
Posts: 897
Concentration: Strategy
Schools: Fisher '19 (M)
GPA: 3.71
Reviews Badge
Solution X, which is 10% alcohol is combined [#permalink]

Show Tags

New post 30 Sep 2016, 05:44
3
This post received
KUDOS
6
This post was
BOOKMARKED
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

64% (00:51) correct 36% (00:49) wrong based on 288 sessions

HideShow timer Statistics

Solution X, which is 10% alcohol is combined with solution Y, which is 18% alcohol to form a new solution that is 12% alcohol. How many liters of solution Y are in the new combined solution?

1. Solution X comprises 3/4 of the combined solution
2. The combined solution is 16 liters.

PS: Please solve this with alligation method.
1 KUDOS received
SC Moderator
User avatar
P
Joined: 13 Apr 2015
Posts: 1679
Location: India
Concentration: Strategy, General Management
WE: Analyst (Retail)
GMAT ToolKit User Premium Member CAT Tests
Re: Solution X, which is 10% alcohol is combined [#permalink]

Show Tags

New post 30 Sep 2016, 05:55
1
This post received
KUDOS
X/Y = (18 - 12)/(12 - 10) = 6/2 = 3/1

St1: X = 3/4(X + Y)
4X = 3X + 3Y
X = 3Y --> X/Y = 3/1 --> We know this from the question itself
Not Sufficient

St2: X + Y = 16
3Y + Y = 16 --> Y = 4 and X = 12
Sufficient

Answer: B
2 KUDOS received
Director
Director
User avatar
P
Joined: 05 Mar 2015
Posts: 960
Solution X, which is 10% alcohol is combined [#permalink]

Show Tags

New post 30 Sep 2016, 10:42
2
This post received
KUDOS
1
This post was
BOOKMARKED
Keats wrote:
Solution X, which is 10% alcohol is combined with solution Y, which is 18% alcohol to form a new solution that is 12% alcohol. How many liters of solution Y are in the new combined solution?

1. Solution X comprises 3/4 of the combined solution
2. The combined solution is 16 liters.

PS: Please solve this with alligation method.

1. We don't know about total quantity......not suff....
2. we know total quantity of mixture .
So as derived in below fig. Y=3/4*16=12 lts.....and X=16-12=4lts........sufff....

Ans B
Attachments

mix.png
mix.png [ 10.01 KiB | Viewed 2343 times ]

Non-Human User
User avatar
Joined: 09 Sep 2013
Posts: 6844
Premium Member
Re: Solution X, which is 10% alcohol is combined [#permalink]

Show Tags

New post 10 Feb 2018, 16:00
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________

GMAT Books | GMAT Club Tests | Best Prices on GMAT Courses | GMAT Mobile App | Math Resources | Verbal Resources

Re: Solution X, which is 10% alcohol is combined   [#permalink] 10 Feb 2018, 16:00
Display posts from previous: Sort by

Solution X, which is 10% alcohol is combined

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


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®.