BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Are Alligation and Mixture problems part of GMAT Quant ?

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Senior | Next Rank: 100 Posts
Posts: 50
Joined: Thu May 20, 2010 1:11 pm
Thanked: 2 times
GMAT Score:590

Are Alligation and Mixture problems part of GMAT Quant ?

by viv_gmat » Mon Jul 11, 2011 8:15 am
Hey All

I'm not able to find out if Alligation and Mixture quesitons are part of GMAT Quant?

Mostly these questions are based on this formula:

Quantity of Cheaper element in the Mixture/ Quantity of Dearer element in the Mixture =
Cost Price of Dearer - Mean Price (Mixture cost price)/ Mean Price - Cost Price of Cheaper

Kindly confirm.
Thanks in advance.
Top
Source: — Problem Solving |
User avatar
Junior | Next Rank: 30 Posts
Posts: 23
Joined: Fri Jun 03, 2011 6:44 am
Location: Dublin, Ireland
Thanked: 8 times
Followed by:1 members
GMAT Score:750

by testprepDublin » Mon Jul 11, 2011 8:35 am
Yes these types of questions are part of GMAT quant. The best way to solve these is to draw boxes with the quantities of each mixture to illustrate the problem. For example, if 100ml of drink A containing 5% alcohol is mixed with 200ml of drink B containing 10% alcohol and you want to find the final alcohol %:


Drink A: Alc. % = 5. Alc amount = 5ml. Drink B: Alc. amount = 20ml.

Final drink = 300ml. Alc amount = 25ml. Alc. % = 25/300 = 1/12 = 8.33%.
Deirdre at testprepdublin.com
Top
Post new topic Post Reply
• Page 1 of 1