A man buys milk at a certain rate per liter and after adding water to it sells the mixture at the same rate. Find in what ration he much mix water to milk so as to gain 20% on his outlay?

Related Mcqs:

1. How many liters of oil at Rs.40 per liter should be mixed with 240 liters of a second variety of oil at Rs.60 per liter so as to get a mixture whose cost is Rs.52 per liter?

   A. 120 liters
   B. 180 liters
   C. 110 liters
   D. 160 liters

2. In a mixture of milk and water, the proportion of milk by weight was 80%. If, in a 180 gm mixture, 36 gms of pure milk is added, what would be the percentage of milk in the mixture formed?

   A. 80%
   B. 100%
   C. 84%
   D. 87.5%
   E. None of these

3. 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

4. A vessel contains 20 liters of a mixture of milk and water in the ratio 3:2. 10 liters of the mixture are removed and replaced with an equal quantity of pure milk. If the process is repeated once more, find the ratio of milk and water in the final mixture obtained?

   A. 9:1
   B. 4:7
   C. 7:1
   D. 2:5

5. A man buys 10 articles for Rs. 8 and Sells them at the rate of Rs. 1.25 per article. His gain is:________?

   A. 20%
   B. 50%
   C. 19 ½ %
   D. 56 ¼ %

6. 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
   E. None of these

7. 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
   E. None of these

8. 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

9. A man buys a watch for Rs. 1950 in cash and sells it for Rs. 2200 at a credit of 1 year. If the rate of interest is 10% per annum, the man:

   A. gains Rs. 55
   B. gains Rs. 50
   C. loses Rs. 30
   D. gains Rs. 30

10. A man buys an article for 10% less than its value and sells it for 10% more than its value. His gain or loss percent is:________?

    A. no profit, no loss
    B. 20% profit
    C. less than 20% profit
    D. more than 20% profit