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) 3ย
(b) 1
(c) 2
(d) 4
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
(c) 40 ltr
(d) 68 ltr
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
(c) 4 : 9
(d) 5 : 6
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 A vessel full of pure acid contains 10 ltr of it , of which 2 litres are withdrawn .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 Next 2 litres of the mixture are withdrawn , and again the vessel is filled with water .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
(c) 4 : 25
(d) 16 : 25
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 next 5 litres of the mixture are withdrawn , and again the vessel is filled with the same quantity of water .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
(c) 16 : 25
(d) 9 : 16
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 The ratio of milk to water in a 100 litres mixture is 2 : 3 . 10litres of this mixture is withdrawn and replaced with milk .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
(c) 51.24 percent
(d) 54.27 percent
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
(c) 23.04 ltr
(d) 69.12 ltr
ย 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
(c) 118.08 ltr
(d) None
Answer: C
9. A vessel full of 1600ltr milk .ย 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
(c) 800 L
(d) 1200 L
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
(c) 36 liter
(d) 46 liter
Answer: B
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