Q41. In a pot, 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 pot would be full and ratio of milk and water would become 6 : 5. Find the capacity of the pot ?
A. 11 lit
B. 33 lit
C. 44 lit
D. 22 lit
Q42. From a tank of petrol , which contains 200 liters of petrol, the seller replaces each time with kerosene when he sells 40 liters of petrol(or mixture). Everytime he sells out only 40 liters of petrol (pure or impure). After replacing the petrol with kerosene 4th time, the total amount of kerosene in the mixture is
A. 118.08L
B. 96L
C. 81.92L
D. 93.20L
Q43. 4 kg of a metal contains 1/5 copper and rest in Zinc. Another 5 kg of metal contains 1/6 copper and rest in Zinc.The ratio of Copper and Zinc  into the mixture of these two metals:
A. 49 : 221
B. 94:181
C. 39:231
D. 68:325
Q44. In a mixture of milk and water, there is only 26% water. After replacing the mixture with 7 liters of pure milk , the percentage of milk in the mixture  become 76%. The quantity of mixture is:
A. 85Â liters
B. 65 liters
C. 38 liters
D. 91 liters
Q45. In the 75 litres of mixture of milk and water, the ratio of milk and water is 4:1. The quantity of water required to make the ratio of milk and water 3:1 isÂ
A. 4 litres
B. 3 litres
C. 5 litres
D. 1 litre
Q46. In a mixture of milk and water the proportion of water by weight was 75%. If in 60 gm of mixture 15 gm water was added, what would be the percentage of water ? (Weight in gm)
A. 70%
B. 62%
C. 75%
D. 80%
Q47. From  a container of wine, a thief has stolen 15 liters of wine and replaced it with same quantity of water.He again repeated the same process. Thus in three attempts the ratio of wine and water became 343:169. The  initial amount of wine in the container was:
A. 75 liters
B. 120 liters
C. 100 liters
D. 150 liters
Q48. The ratio of water and alcohol in two different containers is 2:3 and 4:5. In what ratio we are required to mix the mixtures of two containers in order to get the new mixture in which the ratio of alcohol and water be 7:5?
A. 2:7
B. 8:5
C. 5:3
D. 7:3
Q49. A vessel is filled with liquid, 3 parts of which are water and 5 parts of syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?
A. 1/3
B. 1/5
C. 1/4
D. 1/7
Q50. A milk man sells the milk at the cost price but he mixes the water in it and thus he gains 9.09%. The quantity of water in the mixture of 1 liter is :
A. 63.32 ml
B. 99.09 ml
C. 90.90 ml
D. 83.33 ml
