Q31. In a 48 ltr mixture, the ratio of milk and water is 5:3. How much water should be added in the mixture so as the ratio will become 3:5 ?
A. 8 lit
B. 16 lit
C. 24 lit
D. 32 lit
Q32. A mixture of 70 litres of Fruit Juice and water contains 10% water. How many litres of water should be added to the mixture so that the mixture contains 12.5% water  ?
A. 1 lit
B. 2 lit
C. 3 lit
D. 4 lit
Q33. A milkman claims to sell milk at its cost price, still, he is making a profit of 30% since he has mixed some amount of water in the milk. What is the % of milk in the mixture?
A. 63.22%
B. 71.02%
C. 76.92%
D. 86.42%
Q34. From the 50 liters of milk, 5 liters of milk is taken out and after it 5 liters of water is added to the rest amount of milk. Again 5 liters of milk and water is drawn out and it was replaced by 5 liters of water. If this process is continued  similarly for the third time, the amount of milk left after the third replacement:Â
A. 36.45L
B. 40.5L
C. 42.5L
D. 45L
Q35. Milk and water are mixed in a vessel A as 4:1 and in vessel B as 3:2. For vessel C, if one takes equal quantities from A and B, find the ratio of milk to water in C.
A. 1:9
B. 3:7
C. 7:3
D. 9:1
Q36. The amount of water (in ml) that should be added to reduce 9 ml lotion, containing 50% alcohol, to a lotion containing 30% alcohol is ?
A. 6 ml
B. 11 ml
C. 9 ml
D. 15 ml
Q37. One type of liquid contains 25 % of benzene, the other contains 30% of benzene. A can is filled with 6 parts of the first liquid and 4 parts of the second liquid. Find the percentage of benzene in the new mixture.
A. 21 %
B. 26 %
C. 27 %
D. 29 %
Q38. Equal quantities of three mixtures of milk and water are mixed in the ratio 1:2, 2:3 and 3:4. The ratio of water and milk in the mixture is ?
A. 115 : 201
B. 147 : 185
C. 193 : 122
D. 97 : 102
Q39. A jar was full with honey. A person  used to draw out 20% of the honey from the jar and replaced it with sugar solution. He has repeated  the same process 4 times and thus there was only 512 gm of honey left in the jar, the rest part of the jar was filled with the sugar  solution. The initial amount of honey in the jar was filled with the sugar solution. The initial amount of honey in the jar was:
A. 1.5 kg
B. 1.25 kg
C. 1 kg
D. 1.75 kg
Q40. 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. 28 litres
D. 26.34 litres
