Mixture MCQ Set 2

1. A jar contains a blend of a fruit juice and water in the ratio of 5 : x . When 1 litre of water is added to 4 litres of the blend the ratio of fruit juice to water becomes 1 : 1 . What is the value of x?

(a) 3

(b) 1

(d) 4

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Answer: A

2. The ratio of milk and water in a mixture is 1 : 3 . We added x ltr of milk to the mixture then ratio becomes 7 : 15 and we added 50 ltr water to the mixture , then ratio becomes 2 : 5 . Find the value of x.

(a) 28 ltr

(b) 32 ltr

(d) 68 ltr

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Answer: C

3. A vessel contains 32 litre solution of acid and water in which the ratio of acid and water is 5 : 3 . If 12 litres of the solution are taken out and 7 1/2 litres of water are added to it , then what is the ratio of acid and water in the resulting solution ?

(a) 4 : 7

(b) 8 : 11

(d) 5 : 6

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Answer: D

4. A vessel full of pure acid contains 10 ltr of it , of which 2 litres are withdrawn . the vessel is then filled with water . Next 2 litres of the mixture are withdrawn , and again the vessel is filled with water . The ratio of the acid left in the vessel with that of the original quantity is :

(a) 1 : 5

(b) 4 : 5

(d) 16 : 25

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Answer: D

5. A vessel contains 20 litres of acid . 5 litres of acid is taken out of the vessel and replaced by the same quantity of water . next 5 litres of the mixture are withdrawn , and again the vessel is filled with the same quantity of water . The ratio of acid left in the vessel with the quantity of acid initially in the vessel is :

(a) 4 : 5

(b) 4 : 25

(d) 9 : 16

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Answer: D

6. The ratio of milk to water in a 100 litres mixture is 2 : 3 . 10litres of this mixture is withdrawn and replaced with milk . This process is repeated 2 more times . What is the percentage of milk in final mixture?

(a) 56.26 percent

(b) 58.21 percent

(d) 54.27 percent

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Answer: A

7. A vessel is full of 90 ltr milk , 18 ltr milk is taken out and replaced by water and again this process is repeated 2 times more , the amount of milk left after the 3rd replacement is?

(a) 11.52 ltr

(b) 46.08 ltr

(d) 69.12 ltr

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Answer: B

8. From a tank of petrol , which contains 200 ltr of petrol , the seller replaces each time with kerosene when he sells 40 ltr of petrol (or its mixture) . Every time he sells out only 40 ltr petrol (pure or impure) . After replacing petrol with kerosene 4th time , a total amount of kerosene in the mixture is?

(a) 81.92 ltr

(b) 96 ltr

(d) None

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Answer: C

9. A vessel full of 1600ltr milk . person draw out 25% of milk form the vessel and replaced with water . He has repeated the same process 2 times more . Find the final amount of milk in the vessel?

(a) 675 L

(b) 750 L

(d) 1200 L

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Answer: A

10. A vessel contains some milk . 6 litre of the milk was taken out of the vessel and replaced with 6 litre of water and again 6 litre of mixture was taken out and was replaced with water . Now the ratio of milk to water become 100 : 69 . Find the initial quantity of milk in the vessel .

(a) 28 liter

(b) 26 liter

(d) 46 liter

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Answer: B