71 + Mcqs in General Page 1 McqOptions

1.	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 mixture?
A.	613:387
B.	15:12
C.	72:24
D.	387:613
Answer» E.

Discussion

2.	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?
A.	48 litres
B.	36 litres
C.	24 litres
D.	50 litres
Answer» B. 36 litres

Discussion

3.	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?
A.	720 litres
B.	1000 litres
C.	1320 litres
D.	1200 litres
Answer» D. 1200 litres

Discussion

4.	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?
A.	20L
B.	40L
C.	90L
D.	100L
Answer» D. 100L

Discussion

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 water and this process was further repeated twice?
A.	32 litre
B.	32.29 litre
C.	28 litre
D.	29.16 litre
Answer» E.

Discussion

6.	A mixture consists of some amount of sandalwood oil and 240 liters of water. It is priced at Rs. 275 per liter. Sandalwood oil is priced Rs. 325 per liter. How much oil is there in the mixture?
A.	720 liters
B.	1000 liters
C.	1320 liters
D.	1200 liters
Answer» D. 1200 liters

Discussion

7.	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 mixed?
A.	10 : 321
B.	1 : 2
C.	7 : 32
D.	2 : 1
Answer» C. 7 : 32

Discussion

8.	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?
A.	Rs. 208.33
B.	Rs. 210
C.	Rs. 215.67
D.	Rs. 196.58
Answer» B. Rs. 210

Discussion

9.	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?
A.	96 liters
B.	75 liters
C.	30 liters
D.	110 liters
Answer» B. 75 liters

Discussion

10.	Vessel A contains 150 liters of mixture of milk and water in the ratio of 3:1. Vessel B contains 200 liters of the mixture in the ratio of 5:2. If the mixture from both the vessels are poured into vessel C , find the ratio of the resulting mixture.
A.	15 : 7
B.	8 : 3
C.	15 : 2
D.	143 : 53
Answer» E.

Discussion

11.	A tank of 100 liters is filled with kerosene. Ram replaces 10% of kerosene with water and repeats this procedure 4 times. What is the amount of kerosene left in the tank?
A.	60 liters
B.	65.61 liters
C.	70 liters
D.	65 liters
Answer» C. 70 liters

Discussion

12.	In what proportion must wheat at Rs. 15 per kg. be mixed with wheat at Rs. 18 per kg. So that the mixture will be worth Rs. 17 per kg. ?
A.	2 : 1
B.	1 : 2
C.	3 : 2
D.	2 : 3
Answer» C. 3 : 2

Discussion

13.	If 500 gm of salt solution has 30% salt in it, how much salt must be added to make the concentration of salt 50% in the solution?
A.	200 gm
B.	100 gm
C.	90 gm
D.	50 gm
Answer» B. 100 gm

Discussion

14.	To gain profit, a milkman adds 1.5 liter of water to a certain amount of milk. He sells the adulterated milk at Rs.28 per liter and pure milk costs Rs.36 per liter. Find the amount of milk.
A.	5.25
B.	6
C.	5.5
D.	5
Answer» B. 6

Discussion

15.	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 ratio of quantities of both types of golden rice?
A.	1:3
B.	1:2
C.	2:1
D.	4:1
Answer» C. 2:1

Discussion

16.	A pot contains 40 liters of juice. How much juice will be there in the pot, if 4 liters of juice was removed and was replaced by water and this process was further repeated twice?
A.	32 liter
B.	32.29 liter
C.	28 liter
D.	29.16 liter
Answer» E.

Discussion

17.	Ramesh mixes 60 liters of Type-1 acid with some liters of Type-2 acid. Type-1 acid rate is Rs. 32 per litre while Type-2 rate is Rs. 23 per liter. Ramesh sells this acid-mix at rate Rs. 28 per liter. How much Type-2 acid is needed to make it a no profit no loss transaction?
A.	48 liters
B.	36 liters
C.	24 liters
D.	50 liters
Answer» B. 36 liters

Discussion

18.	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?
A.	8:35
B.	52:25
C.	35:8
D.	25:52
Answer» E.

Discussion

19.	Rice and wheat are in a mixture in the ratio 5:3. If 16 kg wheat is added to this mixture, the ratio of rice to wheat changes to 5:7. How much wheat is in new mixture?
A.	21 kg
B.	28 kg
C.	42 kg
D.	35 kg
Answer» C. 42 kg

Discussion

20.	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, what will be ratio of water to wine in the vessel?
A.	1:1
B.	1:3
C.	2:1
D.	3:1
Answer» E.

Discussion

21.	A solution of honey and water is 28 liters, with honey and water in ratio 4:3. To this a 21 liter honey-water solution is added that has honey to water ratio as 2:1. Again a 51 liter honey-water solution that has honey to water ratio as 9:8 is added to this. After this 10 liter of the solution is replaced with pure honey. What is ratio of water to honey in the final mixture?
A.	613:387
B.	15:12
C.	72:24
D.	387:613
Answer» E.

Discussion

22.	How many kilogram 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» E.

Discussion

23.	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 kg?
A.	3 : 7
B.	5 : 7
C.	7 : 3
D.	7 : 5
Answer» D. 7 : 5

Discussion

24.	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.	4 litres, 8 litres
B.	6 litres, 6 litres
C.	5 litres, 7 litres
D.	7 litres, 5 litres
Answer» C. 5 litres, 7 litres

Discussion

25.	A jar is filled of liquid which is 3 parts water and 5 parts alcohol. How much of this mixture should be drawn out and replaced such that this mixture may contain half water and half alcohol?
A.	25%
B.	20%
C.	14.29%
D.	33.33%
Answer» C. 14.29%

Discussion

26.	Vessel A contains 150 litres of mixture of milk and water in the ratio of 3:1. Vessel B contains 200 litres of the mixture in the ratio of 5:2. If the mixture from both the vessels are poured into vessel C , find the ratio of the resulting mixture.
A.	15 : 7
B.	8 : 3
C.	15 : 2
D.	143 : 53
Answer» E.

Discussion

27.	Presently a mixture in a tub contains substances A and B in the ratio of 7:5. If 9 litres of this solution is drawn out and B is added to the mixture in certain quantity the resulting mixture becomes 7:9. How much litres of liquid A was kept in the tub initially?
A.	32
B.	20
C.	27
D.	21
Answer» E.

Discussion

28.	Find the ratio in which wheat of inferior quality (Rs.14/kg) be mixed with wheat of superior quality (Rs.28/kg) so that the shopkeeper gains Rs.2 by selling the resulting mixture at Rs.20/kg.
A.	1 : 3
B.	5 : 2
C.	3 : 4
D.	2 : 5
Answer» C. 3 : 4

Discussion

29.	A container contains 30 liters of milk. From this container 5 liter 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.	18.45 liter
B.	23.44 liter
C.	17.36 liter
D.	21.87 liter
Answer» D. 21.87 liter

Discussion

30.	A tank of 100 litres is filled with kerosene. Ram replaces 10% of kerosene with water and repeats this procedure 4 times. What is the amount of kerosene left in the tank?
A.	60 litres
B.	65.61 litres
C.	70 litres
D.	65 litres
Answer» C. 70 litres

Discussion

31.	An empty bottle weighs 1/6th of the full bottle. When a certain percent of water was removed and the bottle was weighed, the weight of the bottle turned out to be 1/3rd of the bottle when it was full. What is the percent of water removed?
A.	70%
B.	85%
C.	80%
D.	75%
Answer» D. 75%

Discussion

32.	To gain profit, a milkman adds 1.5 litre of water to a certain amount of milk. He sells the adulterated milk at Rs.28 per litre and pure milk costs Rs.36 per litre. Find the amount of milk.
A.	5.25
B.	6
C.	5.5
D.	5
Answer» B. 6

Discussion

33.	In what proportion must water be added to spirit to gain 20% by selling it at the cost price?
A.	2:5
B.	1:5
C.	3:5
D.	4:5
Answer» C. 3:5

Discussion

34.	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» C. 3 : 4

Discussion

35.	Chandan buys some sugar at Rs. 15 per kg. He mixes it with sugar having price Rs. 18 per kg. The final mixture becomes worth Rs. 16 per kg. What is the ratio of quantities of type 1 sugar to type 2 sugar?
A.	2:1
B.	1:2
C.	5:6
D.	6:5
Answer» B. 1:2

Discussion

36.	How much water must be added to a bucket which contains 40 liters of milk at the cost price of Rs.3.50 per liter so that the cost of milk reduces to Rs.2 per liter?
A.	25 liters
B.	28 litres
C.	30 liters
D.	35 liters
Answer» D. 35 liters

Discussion

37.	Milk and water in two vessels A and B are in the ratio 4:3 and 2:3 respectively in what ratio the liquids in both the vessels should be mixed to obtain a new mixture in vessel C containing half milk and half water?
A.	1:1
B.	1:3
C.	1:2
D.	7:5
Answer» E.

Discussion

38.	In what ratio must water be mixed with milk to gain 16 2/3 % by selling the mixture at cost price?
A.	1:6
B.	2:3
C.	4:3
D.	6:1
Answer» B. 2:3

Discussion

39.	In what ratio must a grocer mix teas 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.	3:4
C.	3:5
D.	4:5
Answer» B. 3:4

Discussion

40.	A vessel of capacity 90 litres is fully filled with pure milk. Nine litres of milk is removed from the vessel and replaced with water. Nine litres of the solution thus formed is removed and replaced with water. Find the quantity of pure milk in the final milk solution?
A.	72
B.	72.9
C.	73.8
D.	74.7
Answer» C. 73.8

Discussion

41.	The ratio in which the price 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 is:
A.	1:3
B.	2:3
C.	3:4
D.	4:5
Answer» B. 2:3

Discussion

42.	Two vessels P and Q contain 62.5% and 87.5% of alcohol respectively. If 2 litres from vessel P is mixed with 4 litres from vessel Q, the ratio of alcohol and water in the resulting mixture is?
A.	16 : 5
B.	14 : 5
C.	16 : 7
D.	19 : 5
Answer» E.

Discussion

43.	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 15kg in weight and with total worth Rs. 146.40. What is the quantity of rice priced at Rs. 8.8 per kg?
A.	9 kg
B.	6 kg
C.	10 kg
D.	5 kg
Answer» C. 10 kg

Discussion

44.	Sunil started a juice (lemon syrup + water) counter. Initially he had 140 liter juice which had 30% water in it. He sold 20 liters 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 much water was added later on?
A.	9 liters
B.	12 liters
C.	14 liters
D.	20 liters
Answer» C. 14 liters

Discussion

45.	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?
A.	21 liters
B.	24 liters
C.	16 liters
D.	20 liters
Answer» B. 24 liters

Discussion

46.	Chaman has two big cans of wine and water mixture. Chaman mixes the contents of both the cans in a big container. The new mixture has half water and half wine. In what quantity did Chaman mix contents of Can 1 and 2 if Can 2 has wine to water ratio of 2:3 and Can 1 has wine to water ratio 5:3?
A.	5:3
B.	4:5
C.	5:4
D.	2:5
Answer» C. 5:4

Discussion

47.	Rajesh has a container which has a mixture of wine and water in it. Wine and water are in the ratio 4:1. Rajesh spills some of the mixture by accident. He then replaces the spilled amount with water of same quantity. But now the wine to water ratio became 3:2. How much water did Rajesh add?
A.	3/5
B.	1/2
C.	1/4
D.	2/7
Answer» D. 2/7

Discussion

48.	In what ratio should a variety of rice costing Rs. 6 per kg be mixed with another variety of rice costing Rs. 8.75 per kg to obtain a mixture costing Rs. 7.50 per kg?
A.	5 : 6
B.	3 : 4
C.	7 : 8
D.	8 : 9
Answer» B. 3 : 4

Discussion

49.	A mixture of 70 litres of milk and water contains 10% water. How many litres of water should be added to the mixture so that the mixture contains 12 1/2% water?
A.	2
B.	8
C.	4
D.	5
Answer» B. 8

Discussion

50.	In a can, there is a mixture of milk and water in the ratio 4 : 5. If it is filled with an additional 8 litres of milk the can would be full and ratio of milk and water would become 6 : 5. Find the capacity of the can?
A.	40
B.	44
C.	48
D.	52
Answer» C. 48

Discussion

Explore topic-wise MCQs in Alligation or Mixture.

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?

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?

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?

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 water and this process was further repeated twice?

A mixture consists of some amount of sandalwood oil and 240 liters of water. It is priced at Rs. 275 per liter. Sandalwood oil is priced Rs. 325 per liter. How much oil is there in the mixture?

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 mixed?

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?

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?

Vessel A contains 150 liters of mixture of milk and water in the ratio of 3:1. Vessel B contains 200 liters of the mixture in the ratio of 5:2. If the mixture from both the vessels are poured into vessel C , find the ratio of the resulting mixture.

A tank of 100 liters is filled with kerosene. Ram replaces 10% of kerosene with water and repeats this procedure 4 times. What is the amount of kerosene left in the tank?

In what proportion must wheat at Rs. 15 per kg. be mixed with wheat at Rs. 18 per kg. So that the mixture will be worth Rs. 17 per kg. ?

If 500 gm of salt solution has 30% salt in it, how much salt must be added to make the concentration of salt 50% in the solution?

To gain profit, a milkman adds 1.5 liter of water to a certain amount of milk. He sells the adulterated milk at Rs.28 per liter and pure milk costs Rs.36 per liter. Find the amount of milk.

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 ratio of quantities of both types of golden rice?

A pot contains 40 liters of juice. How much juice will be there in the pot, if 4 liters of juice was removed and was replaced by water and this process was further repeated twice?

Ramesh mixes 60 liters of Type-1 acid with some liters of Type-2 acid. Type-1 acid rate is Rs. 32 per litre while Type-2 rate is Rs. 23 per liter. Ramesh sells this acid-mix at rate Rs. 28 per liter. How much Type-2 acid is needed to make it a no profit no loss transaction?

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?

Rice and wheat are in a mixture in the ratio 5:3. If 16 kg wheat is added to this mixture, the ratio of rice to wheat changes to 5:7. How much wheat is in new mixture?

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, what will be ratio of water to wine in the vessel?

How many kilogram 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?

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 kg?

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 jar is filled of liquid which is 3 parts water and 5 parts alcohol. How much of this mixture should be drawn out and replaced such that this mixture may contain half water and half alcohol?

Vessel A contains 150 litres of mixture of milk and water in the ratio of 3:1. Vessel B contains 200 litres of the mixture in the ratio of 5:2. If the mixture from both the vessels are poured into vessel C , find the ratio of the resulting mixture.

Presently a mixture in a tub contains substances A and B in the ratio of 7:5. If 9 litres of this solution is drawn out and B is added to the mixture in certain quantity the resulting mixture becomes 7:9. How much litres of liquid A was kept in the tub initially?

Find the ratio in which wheat of inferior quality (Rs.14/kg) be mixed with wheat of superior quality (Rs.28/kg) so that the shopkeeper gains Rs.2 by selling the resulting mixture at Rs.20/kg.

A container contains 30 liters of milk. From this container 5 liter 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 tank of 100 litres is filled with kerosene. Ram replaces 10% of kerosene with water and repeats this procedure 4 times. What is the amount of kerosene left in the tank?

An empty bottle weighs 1/6th of the full bottle. When a certain percent of water was removed and the bottle was weighed, the weight of the bottle turned out to be 1/3rd of the bottle when it was full. What is the percent of water removed?

To gain profit, a milkman adds 1.5 litre of water to a certain amount of milk. He sells the adulterated milk at Rs.28 per litre and pure milk costs Rs.36 per litre. Find the amount of milk.

In what proportion must water be added to spirit to gain 20% by selling it at the cost price?

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.

Chandan buys some sugar at Rs. 15 per kg. He mixes it with sugar having price Rs. 18 per kg. The final mixture becomes worth Rs. 16 per kg. What is the ratio of quantities of type 1 sugar to type 2 sugar?

How much water must be added to a bucket which contains 40 liters of milk at the cost price of Rs.3.50 per liter so that the cost of milk reduces to Rs.2 per liter?

Milk and water in two vessels A and B are in the ratio 4:3 and 2:3 respectively in what ratio the liquids in both the vessels should be mixed to obtain a new mixture in vessel C containing half milk and half water?

In what ratio must water be mixed with milk to gain 16 2/3 % by selling the mixture at cost price?

In what ratio must a grocer mix teas 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 vessel of capacity 90 litres is fully filled with pure milk. Nine litres of milk is removed from the vessel and replaced with water. Nine litres of the solution thus formed is removed and replaced with water. Find the quantity of pure milk in the final milk solution?

The ratio in which the price 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 is:

Two vessels P and Q contain 62.5% and 87.5% of alcohol respectively. If 2 litres from vessel P is mixed with 4 litres from vessel Q, the ratio of alcohol and water in the resulting mixture is?

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 15kg in weight and with total worth Rs. 146.40. What is the quantity of rice priced at Rs. 8.8 per kg?

Sunil started a juice (lemon syrup + water) counter. Initially he had 140 liter juice which had 30% water in it. He sold 20 liters 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 much water was added later on?

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?

Chaman has two big cans of wine and water mixture. Chaman mixes the contents of both the cans in a big container. The new mixture has half water and half wine. In what quantity did Chaman mix contents of Can 1 and 2 if Can 2 has wine to water ratio of 2:3 and Can 1 has wine to water ratio 5:3?

Rajesh has a container which has a mixture of wine and water in it. Wine and water are in the ratio 4:1. Rajesh spills some of the mixture by accident. He then replaces the spilled amount with water of same quantity. But now the wine to water ratio became 3:2. How much water did Rajesh add?

In what ratio should a variety of rice costing Rs. 6 per kg be mixed with another variety of rice costing Rs. 8.75 per kg to obtain a mixture costing Rs. 7.50 per kg?

A mixture of 70 litres of milk and water contains 10% water. How many litres of water should be added to the mixture so that the mixture contains 12 1/2% water?

In a can, there is a mixture of milk and water in the ratio 4 : 5. If it is filled with an additional 8 litres of milk the can would be full and ratio of milk and water would become 6 : 5. Find the capacity of the can?