Mixture and Alligation - Shortcuts & Tricks for Placement Tests, Job Interviews & Exams

Crack the quantitative aptitude section of Placement Test or Job Interview at any company with shortcuts & tricks on Mixture and Alligation. Extremely helpful to crack entrance exams like MBA, Banking – IBPS, SBI, UPSC, SSC, Railways etc.

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0:00 Quantitative Aptitude
0:48 Trick
8:11 One can is completely filled and contains 100% water. Another similar can is completely filled with a solution of 50% wine and 50% water. When both the cans are emptied in a steel vessel
9:49 Resultant price of mixture of golden rice is Rs. 480 per kg. This mixture is made from two varieties of golden rice which are having price of Rs. 420 per kg and Rs. 520 per kg. What should be
11:59 A mixture consists of some amount of sandalwood oil and 240 litres of water. It is priced at Rs. 275 per litre. Sandalwood oil is priced Rs. 325 per litre. How much oil is there in the mixture?
14:00 How much milk should be added in a milk solution to make milk quantity in it 75%, if 80 L of milk solution has 45% milk in it?
16:49 (5) A pot contains 40 litres of juice. How much juice will be there in the pot, if 4 litres of juice was removed and was replaced by
24:46 One glass has juice and water in the ratio 5:2 while other glass has them in ratio 7:4, respectively. If both glasses poured in a vessel, then what will be final ratio of water to juice in the vessel?
28:09 Ramesh mixes 60 litres of Type-1 acid with some litres of Type- 2 acid. Type-1 acid rate is Rs. 32 per litre while Type-2 rate is Rs. 23 per litre. Ramesh sells this acid-mix at rate Rs. 28 per litre. How much Type-2 acid is needed to make it a no profit no loss transaction?
31:17 In a mixture of 90 L the ratio of acid and water is 2:1. If the ratio of acid and water is to be 1:2, then the amount of water in litres to be added to the mixture is?
33:12 3 types of Sugar got mixed by accident in a shop. First was of the rate Rs. 145 per kg and Second of Rs. 165 per kg. Only thing the shop owner knew that quantities of 3 sugar types were in the ratio 2:1:3 respectively. He finally sold the mix at rate of Rs. 180 per kg. What was price of 3rd type?
37:23 A mixture of two food items has a salt to sugar ratio of 7:32. The ratio of salt to sugar is 2:11 and 5:21, in the two individual types of food items. In what proportion are the 2 food items
43:29 A solution of honey and water is 28 litres, with honey and water in ratio 4:3. To this a 21 litre honey water solution is added that has honey to water ratio as 2:1. Again a 51 litre honey water solution that has honey to water ratio as 9:8 is added to this. After this 10 litre of the solution is replaced with pure honey. What is ratio of water to honey in the final
49:40 Rohit buys some rice at Rs. 10.40 per kg. He mixes it with some rice having price Rs. 8.8 per kg. The final mixture becomes 15 kg in weight and with total worth Rs. 146.40. What is the quantity of rice priced at Rs. 8.8 per kg?
52:11 Sunil started a juice (lemon syrup + water) counter. Initially he had 140 litre juice which had 30% water in it. He sold 20 litres of the juice. Then he added equal amount of lemon syrup and water. Now the ratio of water to lemon syrup became 1:2. How
55:26 A milkman had water and milk mixture in a can with water to milk ratio 5:7. He accidently spills 9 liters of the mixture. He then fills the can with water equal in quantity to spilled mixture. This makes the water to milk ratio 9:7. How much milk did the can initially have?

[bhagyamakhija]

Great videos :),
but would like to point out one calc mistake at 36:55, 1080-290-165 = 1080 -455 = 625

[varalapradeep]

In 9th question total is 1080-455=625.x=625/3=208.3 is the ans.

[kuttisuriyan]

In the 9th sum
1080-290-165= 525 was taught by you .but I had a doubt on this by subtracting 1080-290-165 =625 ...this was I got

[sunnyavi]

Q:5 Had a formula.... From X litres liquid we remove Y litre liquid and added same amount of water, And that continued N times....Then [X(1-(Y/X))^N] litres

[vivektanagawade]

You should also reply to the doubts but it seems in such a way that you only like and respond to the appreciation of your videos.

[ravivarmadanthuluri]

5th problem can be done in this way also
4 lit of milk was taken and 4 lit of water added.that means 4/40=1/10 part of milk was taken from mixture. so 9/10 part of milk remained.this continued for two more times. therefore we can do it as 40*(9/10)*(9/10)*(9/10)=29.16

[roshnaashivashankar]

Best sir.. These lectures are more than enough for me to study.. The notes from these tutorials and the sums from these r alone more than enough for one to study for entrance exams bcoz what u have given is the base for everything sir.. Thanks a million lot and hats off to u and ur channel.. Kindly upload some basic math videos which relates for entrance sir.. Thanks sir 🙂☺

[nrithyopasana]

Oh lord.... This was an amazing session. This topic was never going into my head, now I'm able to understand it. While listening to his lecture, a new dimension of my brain opened to understand

[bishalgurung]

Thank you careerride team...
Your videos really made my life..
Because of your videos I secured Third position in MBA scholarship entrance exam..
and i am going to get admission in any colleges of nepal free of cost....
Thanks a lot

[parvkhandelwal]

Time 50:54, it is said that 10.40-9.6 = 0.64 whereas it should be 0.8, and following to that, it is said that 9.6-8.8 = 0.96 whereas it should be 0.8 too.... My doubt is that when both the differences come out to be 0.8 and 0.8 how can we take their ratio? As it will come out to be 1:1. Please let me know what has to be done in sums like these where the differences come out to be equal.

[AdityaShinde]

Thankyou for providing such detailed lectures for completely free. Very much Thankful to CareerRide 🙏

[nihalichoudhury]

Question no 12 can be solved by another method, (15-x)10.40+(x)8.8=146.40 by solving this equation you can get answer x as 6kg

[laasyapriyaa]

In qno:2 avg of 520+420=940/2=470, so if we will substract 520-470=50, 420-270=50, ratio would be 1:1, plj correct me if im wrong

[JavedKhan-uvru]

First I had started with the random topic of this playlist I was unable to clear any topic clearly than in the 26th video of this playlist ma'am shared a png file so I referred that and also got motivated then came back to this playlist and now I am able to solve every question thanks team careerRide.

[siddheshpatil]

The way 5th question seemed to me in the start and what it turned out to be... reminded me of my ex.

[NitinYadav-mctj]

At last in Q no 9 there is a mistake
It was written " 1080-525 "
But it had to be "1080-455"

[Priya-tyuh]

you can use this formula for 5th qstn x(1-y/x)^n x is total liter y is removed and replaced amt n is how many times

[puspraj]

it's common sense that, if the price of three mixture is 180 rs per kg, and if the two of them is below 180 then the price of the third item should be more than 180, question no 9

[Sakshighanokar]

The websites are very useful for MCQ's

[beginners_mistakes]

Just made my day. Gained confidence regarding the approach towards the problem