Alligation or Mixture questions and answers is most important for all competitive exams and entrance tests. In this section, you will find many types of alligation or mixture questions and answers. Practice these questions and answers that will help you crack any competitive exam like SSC, IBPS, PO, RBI, PSC, RAIL, PSU, and many more exams.
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Alligation or Mixture Questions and Answers
Q1. The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is :
A. Rs. 19
B. Rs. 18
C. Rs. 18.50
D. Rs. 19.50
Q2. Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.
A. 4 : 5
B. 1 : 3
C. 2 : 3
D. 3 : 4
Q3. In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as to get a mixture worth Rs. 16.50 per kg ?
A. 7 : 3
B. 3 : 7
C. 7 : 5
D. 5 : 7
Q4. Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per kg, the price of the third variety per kg will be :
A. Rs. 169.50
B. Rs. 180
C. Rs. 170
D. Rs. 175.50
Q5. A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25%. The percentage of water in the mixture is:
A. 4%
B. 25%
C. 6.25%
D. 20%
Q6. In what ratio must a grocer mix two varieties of tea worth Rs. 60 a kg and Rs. 65 a kg so that by selling the mixture at Rs. 68.20 a kg he may gain 10% ?
A. 3 : 2
B. 3 : 5
C. 3 : 4
D. 4 : 5
Q7. A milk vendor has 2 cans of milk. The first contains 25% water and the rest milk. The second contains 50% water. How much milk should he mix from each of the containers so as to get 12 litres of milk such that the ratio of water to milk is 3 : 5?
A. 6 litres, 6 litres
B. 4 litres, 3 litres
C. 8 litres, 2 litres
D. 9 litres, 4 litres
Q8. A container contains 40 litres of milk. From this container 4 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?
A. 27.36 litres
B. 29.16 litres
C. 26.34 litres
D. 28 litres
Q9. 8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of the water is 16 : 65. How much wine did the cask hold originally ?
A. 24 litres
B. 32 litres
C. 18 litres
D. 42 litres
Q10. In what ratio must water be mixed with milk to gain % on selling the mixture at cost price ?
A. 6 : 1
B. 4 : 3
C. 1 : 6
D. 2 : 3