Wednesday, June 8, 2011

Guest Post: The Gmat Coach & Mixtures

Hello All,

I hope you all are preparing well for your GMAT test. We “The GMAT Coach” sincerely wish you great success in your test. As a part of a series of articles to help students ace the GMAT test , today I am writing on the topic “Mixtures”. This “Mixtures” is an extension to the topic “Ratios & Proportions”.

The topic “Mixtures” is very interesting and sometimes tricky if you do not know how to set-up the questions the right way. Today I plan on discussing a strategy to tackle “Mixtures” problem by setting it up in the right & smart way.

“Mixtures” is basically when you combine two or more things in different proportions to form a new product. The best example of mixtures that we use in our day to day life is when we take a shower.
In our shower we mix hot water and cold water in a certain proportion depending on our comfort levels.

A typical GMAT question on this is going to be something like –

A hot water which is (80 degrees) and cold water (30 degrees) solutions are mixed to form a solution which is 50 degrees. What is the ratio of Hot Water to Cold Water in the mixture for 50 degree water solution?
A. 3 : 2
B. 2 : 3
C. 3 : 1
D. 1 : 3
E. 3: 4

Now taking this an example, lets learn a  strategy and smart way to approach this question.

1. First you set-up the questions as hot & cold water with their respective temperatures (80 & 30)
2. After you mix them we get 50 Degrees.
3. 80 – 50 = 30 and  30 – 50 = 20 (Ignore Negative Sign)
4. 20 Relates to Hot Water & 30 relates to Cold Water
5. After reducing we say that to get 50 degrees solution we need to mix Hot & Cold Water in the ratio of 2:3

This strategy helps you in solving the question in less than 30 seconds. Save you a lot of time and stress.

Any questions/concerns on this and for extra practice questions on this topic please feel free to e-mail me, Dhiraj co-founder of “The GMAT Coach” at  Dgoverd@TheGmatCoach.com

Wishing you all a great success in your GMAT prep and test.

3 comments:

pro June 9, 2011 at 4:33 AM  

Thanks for your share! I think this information is helpful for everyone. I'm doing practice GMAT here: gmatonlinetest.com . I hope it's useful for GMAT test takers.

preeti November 28, 2011 at 5:31 AM  

Nice Post for those preparing for GMAT exam. Those facing problems in GMAT exam preparation, then they should go for expert guidance. Because without proper help cracking GMAT with good score is never possible.

Best Regards
GMAT Verbal Section

GRE Training in Chennai GMAT Coaching TOELF SAT USMLE IELTS Classes July 16, 2012 at 1:07 AM  

nice post.. Thanks for useful blog.. we are GRE in chennai and gmat coaching training classes in chennai .

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