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Mixtures And Alligations Questions

Practice 37 Mixtures And Alligations questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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36
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Practice by Exam:Quantitative Aptitude(33)Mathematics(3)Quantitative Aptitude@NUM: 66(1)

About Mixtures and Alligations — practice questions, PYQs & concepts

Mixtures and Alligations is a frequently-tested topic on Quantitative Aptitude, Mathematics, Quantitative Aptitude@NUM: 66. ExamTest.live currently lists 37 Mixtures and Alligations questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Mixtures and Alligations weight in competitive exams

Across our Mixtures and Alligations question bank, the largest sources are Quantitative Aptitude (33), Mathematics (3) and Quantitative Aptitude@NUM: 66 (1). Click any exam chip above to drill down to that exam-specific question set.

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All Mixtures And Alligations Questions(1–37 of 37)

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Q1mediummcqQuantitative AptitudeCompetitive Exam2026
25% accuracy
A merchant purchased 650kg of wheat at Rs. 50 per kg. He sold 250kg of it at a profit of 24% and 200kg at a loss of 24%. At what rate per kg (in Rs.) should he sell the remaining wheat to gain 20% on his initial investment?
Q2mediummcqQuantitative AptitudeCompetitive Exam Practice2026
33% accuracy
In mixture A, there is of syrup in of water. In mixture B, there is of syrup in of water. In which of the two mixtures is the concentration of syrup greater?
Q3mediummcqMathematicsCompetitive Exam Practice Paper2026
50% accuracy
In a mixture, the ratio of the first and second liquid is , and in another mixture, the ratio of those two liquids is . The ratio in which the two mixtures must be mixed so that the quantity of the two liquids in the new mixture is equal is:
Q4mediummcqQuantitative AptitudeSSC CGL2026
50% accuracy
In a class of 60 students, there are 33 girls. The average weight of these girls is 62kg and the average weight of the full class is 66.5kg. What is the average weight of the boys of the class?
Q5mediummcqQuantitative AptitudeSSC CGL2026
0% accuracy
A person mixes two liquids, and . One litre of weighs approximately , and one litre of weighs approximately . If one litre of the mixture weighs approximately , then the percentage of in the mixture is:
Q6mediummcqQuantitative AptitudeSSC CGL2026
0% accuracy
A shopkeeper mixes of sugar costing ₹ with of sugar costing ₹. What is the cost (in ₹) per kg of the mixture? (Rounded off to 2 decimal places)
Q7mediummcqQuantitative AptitudeCompetitive Exam2026
0% accuracy
Two containers of equal capacity are full of mixture of milk and water. In the first, the ratio of milk to water is 3:7 and in the second it is 7:9. Now both the mixtures are mixed in a bigger container. What is the resulting ratio of milk to water?
Q8mediummcqQuantitative AptitudeCompetitive Exam2026
The average salary of male employees in a firm was and that of female employees was . If the mean salary of the employees was , what was the percentage of female employees?
Q9mediummcqQuantitative AptitudeCompetitive Exams2026
One litre of spirit which contains of water is added to of spirit containing of water, and to this mixture half a litre of water is added. Find the percentage of water in the final mixture.
Q10mediummcqQuantitative AptitudeCompetitive Exam2026
A dairyman pays per litre of milk. He then adds water in the milk and sells the mixture at per litre, thereby making a profit. What is the proportion of water to milk, in the milk received by the customers?
Q11mediummcqQuantitative AptitudePractice Paper2026
The ratio of glycerin and water in a mixture is . How much fraction of the mixture must be drawn off and substituted by water so that the ratio of glycerin and water becomes ?
Q12mediummcqQuantitative AptitudePractice Paper2026
A container contains two liquids, X and Y, in the ratio . When of the mixture is drawn off, and the container is filled with liquid Y, the ratio of X to Y becomes . How many liters of liquid X was in the container initially?
Q13hardmcqQuantitative AptitudeStaff Selection Commission2026
In a container, two types of liquids and are in the ratio of . If litres of the mixture is drawn off from the container and it is filled with litres of liquid , then the ratio of and becomes . What was the original quantity (in litres) of the mixture?
Q14mediummcqQuantitative AptitudeSSC CGL2026
In a class of 55 students there are 34 girls. The average weight of these girls is 51Kg and average weight of the full class is 55.2kgs. What is the average weight of the boys of the class?
Q15mediummcqQuantitative AptitudeSSC CGL2026
In a class of 56 students there are 21 girls. The average weight of these girls is 56kg and the average weight of the full class is 62.875kgs. What is the average weight of the boys of the class?
Q16mediummcqQuantitative AptitudeCompetitive Examination2026
A trader mixes three varieties of groundnuts costing , and per kg in the ratio in terms of weight and sells the mixture at per kg. What percentage of profit does he make?
Q17mediummcqQuantitative AptitudeCompetitive Exam2026
A trader mixes three varieties of groundnuts costing Rs. , Rs. and Rs. per kg in the ratio in terms of weight and sells the mixture at Rs. per kg. What percentage of profit does he make?
Q18mediummcqQuantitative AptitudeCompetitive Exams2026
A contractor employed labourers, both male and female. Each female labourer receives as daily wages while each male labourer receives as daily wages. If the contractor distributes daily as wages, how many more female labourers did he employ than male labourers?
Q19mediummcqQuantitative AptitudeCompetitive Exams2026
A trader mixes three varieties of groundnuts costing , , and per kg in the ratio in terms of weight and sells the mixture at per kg. What percentage of profit does he make?
Q20mediummcqQuantitative AptitudeWBCS Mains2026
While preparing a mixture of tea, of the tea is lost. In what ratio should a trader mix two kinds of tea costing and respectively so that he might gain by selling the mixed tea at ?
Q21mediummcqQuantitative AptitudeCompetitive Exams2026
A mixture of milk and water contains of water. How much water should be added to of such a mixture so that the new mixture may contain of water?
Q22mediummcqQuantitative AptitudePractice Test2026
In what ratio must the grocer mix two types of pulses costing ₹ and ₹ respectively so as to get a mixture of pulses costing ₹?
Q23mediummcqQuantitative AptitudeSSC CGL2026
If 36 litres of 20% milk solution is mixed with 48 litres of 10% milk solution, then what will be the percentage concentration of milk in the final solution?
Q24mediummcqMathematicsCompetitive Exam2026
A container contains two liquids, and , in the ratio . When of the mixture is drawn off, and the container is filled with liquid , the ratio of to becomes . How many liters of liquid was in the container initially?
Q25mediummcqQuantitative AptitudeCompetitive Exam2026
of a mixture contains milk and water in the ratio of . After the addition of some more milk to it, the ratio of milk to water in the resulting mixture becomes . The quantity of milk added to it was
Q26mediummcqQuantitative AptitudeCompetitive Exam2026
A businessman bought two types of rice at the rate of Rs. and Rs. . How much rice (in kg) of the first type should be mixed with of rice of the second type so that the resulting mixture can be sold at Rs. to earn a profit of ?
Q27mediummcqQuantitative AptitudeCompetitive Exam2026
A man travelled a distance of 47km in 6 hours. He travelled partly on foot at a speed of 6
2
1
​
km/h and the rest on bicycle at a speed of 8
2
1
​
km/h. The distance travelled (in km) on bicycle is:
Q28mediummcqQuantitative AptitudeSSC CGL2026
Two vessels and contain solutions of acid and water. In and , the ratios of acid and water are and , respectively. They are mixed in the ratio . What is the ratio of acid and water in the resulting solution?
Q29mediummcqQuantitative AptitudeCompetitive Exam2026
Two bottles A and B contain diluted acid. In bottle A, the amount of water is double the amount of acid, while in bottle B, the amount of acid is 3 times that of water. How much mixture (in liters) should be taken from each bottle A and B respectively in order to prepare 5 liters of diluted acid containing an equal amount of acid and water?
Q30mediummcqQuantitative AptitudeSSC Competitive Exams2026
The rice sold by a grocer contained 20% of low-quality rice. What quantity of good-quality rice should be added to 175 kg of mixed rice so that the percentage of low-quality rice remains 10%?
Q31mediummcqQuantitative AptitudePractice Set2026
A container contains a mixture of milk and water in the ratio . When of mixture is drawn off and the container is filled with water, the ratio of milk and water becomes . How many litres of milk was contained by the container initially?
Q32mediummcqQuantitative AptitudeCompetitive Exam2026
The initial ratio of water and milk in a mixture of 84 litres is 2:5. What quantity of water (in litres) should be added to the mixture so that the resulting mixture has 50% of water?
Q33mediummcqQuantitative AptitudeCompetitive Exam2026
The ratio of boys to girls in a school having 1440 students is . Thirty girls were shifted to the other branch of the school. How many more boys should be admitted to the school to make this ratio ?
Q34mediummcqQuantitative AptitudePrepp2026
A solution of acid and water contains acid. How much water (in litres) must be added to get a solution having acid?
Q35mediummcqQuantitative Aptitude@NUM: 66Competitive Exam2026
In a class of students, are boys and the rest are girls. The average score in mathematics of all the students is . If the average score of the girls is , then what is the average score of the boys?
Q36mediummcqQuantitative AptitudeCompetitive Exam Paper2026
The average salary of male employees in a firm was and that of female employees was . If the mean salary of all the employees was , what was the percentage of female employees?
Q37mediummcqMathematicsCompetitive Exam2026
The ratio of glycerin and water in a mixture is . How much fraction of the mixture must be drawn off and substituted by water so that the ratio of glycerin and water becomes ?

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