MIXTURE PROBLEMS! GRE / GMAT + 10 Worked Examples
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- Опубликовано: 15 июл 2021
- The video you have been waiting for! So many comments asking me to make this one, this video will cover mixture problems, in other words weighted averages, mixed solutions, middle numbers, adding to a solution and proportions for the GRE and GMAT.
Answering questions such as:
How to solve mixture problems?
What is the best method for mixtures?
What questions come up for mixtures in the GRE and GMAT?
How to answer averages and mixtures?
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www.varsitytutors.com/gmat_ma...
www.kaptest.com/study/gmat/gm...
I offer private GRE / GMAT tutoring online at a fixed rate of $140/hr. Please get in touch via the email below, or through my tutoring website: www.gretutorlondon.com/
Enquiries: philip@gretutorlondon.com
The GRE and GMAT are two of most used graduate exams for those seeking to study a Masters Degree or Masters in Business Administration (MBA) degree. The Graduate Record Exam and Graduate Management Admissions Test have been taken for over 50 years and are taken by approximately 600,000 and 300,000 people worldwide annually, respectively. These exams are typically taken between the ages of 18-40, by those who have completed, or are about to complete, their Bachelors Degree.
Business Enquiries: philip@gretutorlondon.com
Grateful for any support: / testedtutor If you’re now ready to get into your dream MBA program, my former student, Angel, is offering virtual private Admissions coaching. She was admitted into Harvard Business School, The Wharton School of Business, and Columbia Business School (accepted into every school she interviewed for) after graduating from UCLA with a degree in Communication. She also got 3 perfect scores on the GRE’s Analytical Writing Assessment (99th percentile).
Here is her link - linktr.ee/angel_accel - and you can reach her at angellinzhu@gmail.com with the subject line, “PHILIP SENT ME.”
Such a life saver! Always had a problem with mixture questions but this helped a lot.Thank you
You're very welcome!
This video was IMMENSELY helpful. Every time I have a mixture question I get it right after watching this! THANK YOU for breaking this down in an engaging and helpful manner.
This is one of your best videos. You do a great job explaining and the repetition is great for me. This video has been an amazing confident booster as I get ready for the GMAT
Thanks Alex! :)
Thanks a bunch, Philip! Your method and numerous examples gave me a much better understanding of mixtures.
I always found mixtures to be miserable and I cannot solve those questions until now.
You have explained all types of questions so coherently that I can solve any of these now easily. Thanks for saving me!
Amazing method with the number line! The second question, before looking at your answer, I tried it myself and focused on the line 75% to 100% of water content to have 90% of water as the middle point. The method worked out perfectly fine this way too! Thanks :3
Never thought mixtures would be this easy. Philip you are a genius ❤️❤️
I have my GRE in less than 36 hours and I just forgot that this topic is in GRE syllabus, although I gave 18 mock tests, I never came across a mixture question. But you never know, what might come in the real test, so this method just saved my time and now I feel very confident
I got these questions wrong on my mock GRE test!!! YOU ARE A SAVIOUR!!!
Best tutor for FREE!! I mean what more can one ask 💗
Thank you so much! I was looking for this exact method, and found your video. It was very helpful!
Your tricks and tips are so useful! I was super bad at Quant and your videos made me so much better! I had my exam yesterday and I scored 317 (156V, 161Q) and hopefully these scores are good enough for the universities I'm applying to.
BIG Thank You, Philip! 😀 Couldn't have done it without you.
Hey Kritika, can you share study material for verbal?
@@AkhilKumar-cw1mehow much did u score
You don't have it better than this! Thanks, Philip
Thank you so much sir! This video was really helpful. You are a legend and your explanation is fabulous. This channel is so underrated and I really wonder how come you have so less subscribers? Keep growing and may god bless you!
Was really struggling on mixture questions but now they seem like a piece of cake. Thankyou so so much Philip❤❤❤
This was so useful, I never understood the "why" part of allegations and mixtures and this video really helped.
You have been saving lives. Kudos to you sir
mixtures was my weakness, and now my confidence is boosted! Thanks man. :)
Thank you Philip for this gem of a video. Indebted.
Thank you so much, Allegation and mixtures topic was a great problem for me. But this video solved it like a magic. Concepts were explained easily and simple to understand. Questions were awesome. once again thank you for the video!!
LIFESAVER!!! Really well explained!
Your method is just amazing. Thank you sir!!😄
I have my exam in 2 days, and these mixtures have baffled me, thank you so much Philip
Thank you so much for making difficult topics easier!! Can you please make a video on successive replacements in Mixture and Alligation?
You are really a great teacher , Sir. salute
I love this method -- so easy to remember, graphically. The inversion reason I don't fully get, but I will mull over the distance being inversely proportional to the weighted average
Bro this is gold! 💯💯💯
Thank you!
Thanks so much for the comment Aadesh! You the man.
Thank you so much for this!!! Was struggling all weekend.
Beautiful Walkthrough. Thank you. I found this really helpful
This video is absolutely amazing. Thank you a lot
Wow ..the method is really amazing and effective 🔥🔥Thanks Philip keep up the good work 👍👍
Amazing. Thank you Philip.
Philip your videos are really great. I watched majority of them. I had my exam a while ago. Got my unofficial scores Quants 159 Verbal 153. Keep posting. Thankyou.
Great job wij!
How long did you study for quant?
This is simply brilliant!
such an good video - mixture question always scared me but this was extremely helpful :)
Those tough questions where you are reversing the mixture-trick - Instead you could just calculate the litres of orange juice/water (depending on the question) and finally dividing by total fluid volume. It just made it a little easier.
Other than that thank you for helping me iron out mistakes and completing my mixture syllabus... 1yr late - but your content is bomb!
thanks a lot for this video. This helped me overcome my fear of mixtures!
Thanks Philips. I improved my quants score because of you
Thank you so much. Your content is really helpful, especially, for students whose mother tongues are not English.
Very nice practise set of mixture problems!
such a great trick, thank you for this!!
"The Achilles' Heel" . Thanks Philip for this emPOWERING method
thanks for the amazing explanation. Life made much simpler.
you are such a life saver!
Thank you for the method! I remember someone at school using it and I had no idea HOW to do it :) Now I am 24 yo and have just learned it :)
For some of the tasks I would stick to another method:
3 liters of 40% juice + 1 liter of 50%= 4 liters*x => 3*0.4+0.5*1=x*4=>x=1.7/4=42.5%
Thank you! great video keep it up
I really like your explanations...
Amazing technique.
thank god i found your video, wonderfull examples and explanation thanks a lot🤓
Loved it, thanks!
thank you so much!!!! youre the GOAT!
Thanks a lot !! super helpful
Thank you so much! You made it simple as water.
You are a savior !!
Thank you so much!!!
hi, I m from India I know its late to comment as this Vedio was posted last year, but it helped me a lot for my Gmat exam revision
thanks for the video i used it for the questions, i found the formula C1V1+C2V2=C3V3 and V1+V2=V3 easier. when the applications of these formulas didnt appear straightforward, i do a diagram to get my equations. I was able to solve all the ones you posted with little trouble.
thanks again
Thank you so much! for this!!!!
this was great!
Thanks, sir. I need this kind of video for solving my problem which was I faced in the maximum mixture problem.
Happy to help MD
Mixtures made very simple. Thanks for the help.
Please do a video on data interpretation, pie chart, bar chart and line graph.
Very insightful
Thank you sooo much!!
BEST VIDEO EVER ❤️
Thank you very much 😊
Hey Philip, thank you SO MUCH for all of your incredible videos! Could you PLEASE do that last cistern question where the 5 litres of water is removed and replaced by 5 litres of wine, and then 5 litres of the resulting mixture are removed and 5 more litres of wine are added. What is the ammount of waterin the resulting mixture?
Answer for the last question is 19:81. (wine : water).
Thanks Philip for the wonderful method. God bless you!
This method is called as alligation.
Thank you so much for the name. I searched it and learnt it in my native language first and then solve these math problems from this video. So it became easier to understand
best video by best teacher
You are great!
Awesome!!!!!
excellent and thanks
Omg you are a saviour!
Thanks Shriya! :)
Wow,thank you
Thanks !
How do you rate the scholarden questions for practising quant ? Also suggest a source to practice medium/hard level questions for GRE
Hello Philip! Thank you so much for this video! How would you actually solve the very last question? (the question on Cistern)?
Watching this 1 day before my gre. :)
Hope it went well
Thankyou Sir.
@TheTestedTutor Hi, thank you so much this video really helped me understand mixture problems! I have a follow-up question about the last question around 26:35. How did you know to use the 20 litres on the 10% side of the mixture? I thought is was the total litres for the mixture not a ratio.
Thanks for your trick. It cuts the time in half at least ❤
THanks
Can you make more videos on "mixture" and "Words to Algebra" Questions please. How many of these questions appear on the GRE ??? If possible please do other types of "words to algebra" question which maybe has a pattern. That would be so helpful.
😀thank you
You’re the 🐐
thank you bossss
Thank you
Welcome!
For the vinegar and oil one, the 7.2 is the final ounces of oil to make it 25% right? But what about the oil that was already there in the mixture? The question is asking how much we'd need to add...
The brandy one messed me up. Tried doing it with water but couldn't figure out a percent for the water. Thought it was X, and would be solving for the percent, but couldn't find a ratio.
Looked at it again, and ended up using Brandy percentages on the number line. 90%, 75%, and then 0% for the pure water mixture.
I like the one I learned in chemistry C1*v1=C2*v2
awesome technique . i went through magoosh question they used simultaneous equations to solve this. but your method cuts the time in half
I'm confused on how the 3:2 ratio got us the answer for how much water should be added to produce the 10% saline. Can you further explain? Thank you so much for your videos. I find your tips so helpful.
Thank you! This was really helpful. I was trying the following exercise with your method but I am getting 9:1 water: CA , ( the correct answer is 7:1 ) any suggestions? The problem is : Chloric acid and phosphoric acid will be mixed to make a solution of 10% chloric acid and 20% phosphoric acid. How many liters of chloric acid should be added to a liter of distilled water to make the solution?
You did a magoosh test where alcohol and water were 4 Oz to 4 Oz. They wanted to add water to get to a 3/5 ratio. I tired to use this method, but got the wrong answer. I used 50% Water and 5/8 or 62.5% desired of water. Then added 100% water to 8oz.
Please, I am not yet clear with these mixture calculations. Does it mean that at each point of mixture comparison, the concentrations on the number line must be of the same type? That is, one can only compare water vs water concentrations and then do the subtraction on the number line, and not water vs brandy?
What about the percent of soap from Detergent A in the final mixture? Sorry for anything I might have missed
Genius
How to choose the percent for pure oil or pure water or pure alcohol? Is it based on the question or is it like chosen values?
Can you please explain?
can you please explain the concepts hidden behind this short cut method.
Please solve the last one