Alligation or Mixture Aptitude MCQ Questions with Answers

Question - How many kg of sugar costing Rs. 5.75 per kg should be mixed with 75 kg of cheaper sugar costing Rs. 4.50 per kg so that the mixture is worth Rs. 5.50 per kg ?
a) 350 kg
b) 300 kg
c) 250 kg
d) 325 kg

Answer : B

Question - 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) 1:3
b) 2:3
c) 3:4
d) 4:5

Answer : B

Question - A merchant has 1000 kg of sugar part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The Quantity sold at 18% profit is ?
a) 400 kg
b) 560 kg
c) 600 kg
d) 640 kg

Answer : C

Question - In a mixture of 35 litres, the ratio of milk and water is 4:1. If 7 litres of water is added to the mixture, the ratio of milk and water of the new mixture will be ?
a) 2:1
b) 1:2
c) 4:5
d) 5:4

Answer : A

Question - Tea worth of Rs. 135/kg & Rs. 126/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.1700
c) Rs. 175.50
d) Rs. 180

Answer : C

Question - In a mixture of 240 lt. water is 20% and rest is Milk. What quantity of mixture should be taken out and replaced with water so that water becomes 40% ?
a) 60 lit
b) 55 lit
c) 45 lit
d) 50 lit

Answer : A

Question - The ratio of expenditure and savings is 3 : 2 . If the income increases by 15% and the savings increases by 6% , then by how much percent should his expenditure increases ?
a) 25
b) 21
c) 12
d) 24

Answer : B

Question - A mixture contains 25% milk and rest water. What percent of this mixture must taken out and replaced with milk so that in mixture milk and water may become equal ?
a) 31.8%
b) 31%
c) 33.33%
d) 29.85%

Answer : C

Question - In a mixture of 60 litres, the ratio of milk to water is 2 : 1. If this ratio is to be 1 : 2, then the quantity of water (in litres) to be further added is ?
a) 20
b) 30
c) 40
d) 60

Answer : D

Question - 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. 19.50
b) Rs. 19
c) Rs. 18
d) Rs. 18.50

Answer : C

Question - Find the ratio in which rice sold at Rs. 7.20 a kg must be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg ?
a) 1: 3
b) 2: 3
c) 3: 4
d) 4: 5

Answer : B

Question - In a mixture of 60 litres, the ratio of milk and water is 2:1. What amount of water must be added to make the ratio of milk and water as 1:2 ?
a) 42 Litres
b) 56 Litres
c) 60 Litres
d) 77 Litres

Answer : C

Question - 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) 1:3
b) 2:3
c) 3:4
d) 4:5

Answer : B

Question - The ratio of expenditure and savings is 3 : 2 . If the income increases by 15% and the savings increases by 6% , then by how much percent should his expenditure increases ?
a) 25
b) 21
c) 12
d) 24

Answer : B

Question - A merchant has 1000 kg of sugar part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The Quantity sold at 18% profit is ?
a) 400 kg
b) 560 kg
c) 600 kg
d) 640 kg

Answer : C

Question - The average weight of boys in a class is 30 kg and the average weight of girls in the same class is 20kg. If the average weight of the whole class is 23.25 kg, what could be the possible strength of boys and girls respectively in the same class ?
a) 14 and 16
b) 13 and 27
c) 17 and 27
d) None of these

Answer : B

Question - How much pepsi at Rs.6 a litre is added to 15 litre of 'dew' at Rs. 10 a litre so that the price of the mixture be Rs.9 a litre ?
a) 5
b) 8
c) 10
d) None of these

Answer : B

Question - How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per Kg so that there may be a gain of 10 % by selling the mixture at Rs. 9.24 per Kg ?
a) 36 Kg
b) 42 Kg
c) 54 Kg
d) 63 Kg

Answer : D

Question - A merchant has 1000 kg of sugar part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The Quantity sold at 18% profit is ?
a) 400 kg
b) 560 kg
c) 600 kg
d) 640 kg

Answer : C

Question - 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) 3: 7
b) 5: 7
c) 7: 3
d) 7: 5

Answer : C

Question - Two bottles contains mixture of milk and water. First bottle contains 64% milk and second bottle contains 26% water. In what ratio these two mixtures are mixed so that new mixture contains 68% milk ?
a) 3 : 2
b) 2 : 1
c) 1 : 2
d) 2 : 3

Answer : A

Question - A vessel contains liquid P and Q in the ratio 5 : 3. If 16 litres of the mixture are removed and the same quantity of liquid Q is added, the ratio become 3 : 5. What quantity does the vessel hold ?
a) 35 litres
b) 45 litres
c) 40 litres
d) 50 litres

Answer : C

Question - In what ratio must water be mixed with milk costing Rs. 12 per litre to obtain a mixture worth of Rs. 8 per litre ?
a) 1: 2
b) 2: 1
c) 2: 3
d) 3: 2

Answer : A

Question - How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs 7 per kg so that there may be a gain of 10% by selling the mixture at Rs. 9.24 per kg ?
a) 36 kg
b)42 kg
c) 54 kg
d) 63 kg

Answer : D