11. A pitcher contains a mixture of alcohol and water. The percentage of alcohol in the mix is 18%. The bartender decides to replace 6 Litres of the mix with mineral water and the mix now contains 15% alcohol only. Find the capacity of the pitcher.
a. 25 Litres
b. 30 Litres
c. 36 Litres
d. 45 Litres
12. Two pitchers contain a mix of alcohol and water in the ratio 5:3 and 5:11 respectively.
Equal quantity of mixture from both the pitchers is taken and added to a third pitcher. What is the ratio of alcohol and water in the mix contained in the third pitcher?
a. 13:15
b. 15:13
c. 15:17
d. 17:15
13. Gold and Copper are mixed in different proportions to form two different alloys. Alloy 1 has them in the ratio 1:3 respectively while Alloy 2 has them in the ratio 2:5. In what ratio should Alloy 1 and Alloy 2 be mixed to form a mix which has Copper and Gold in the ratio 8:3?
a. 4:7
b. 5:7
c. 7:4
d. 7:5
14. A chemical X is formed when two chemicals are mixed in the ratio 3:2 in a controlled environment. Now consider the following:
i. The first chemical is a mix of two chemical A and B in the ratio 1:3.
ii. The second chemical is a mix of same two chemicals A and B in the ratio 2:1.
What is the ratio of chemical A and B in the final chemical X?
a. 7:11
b. 11:7
c. 8:15
d. 15:8
15. A milkman makes his milk mixture by adding water to pure milk. He makes a mixture of 340 L milk with milk and water in the ratio 27:7. To meet the growing demand, he decides to further dilute the mixture with water. The new mixture has pure milk and water in the ratio 3:1. How much more water will he have to add to the previous mixture?
a. 10 litre
b. 15 litre
c. 20 litre
d. 24 litre
a. 25 Litres
b. 30 Litres
c. 36 Litres
d. 45 Litres
Answer: d. 45 Litres
12. Two pitchers contain a mix of alcohol and water in the ratio 5:3 and 5:11 respectively.
Equal quantity of mixture from both the pitchers is taken and added to a third pitcher. What is the ratio of alcohol and water in the mix contained in the third pitcher?
a. 13:15
b. 15:13
c. 15:17
d. 17:15
Answer: c. 15:17
13. Gold and Copper are mixed in different proportions to form two different alloys. Alloy 1 has them in the ratio 1:3 respectively while Alloy 2 has them in the ratio 2:5. In what ratio should Alloy 1 and Alloy 2 be mixed to form a mix which has Copper and Gold in the ratio 8:3?
a. 4:7
b. 5:7
c. 7:4
d. 7:5
Answer: a. 4:7
14. A chemical X is formed when two chemicals are mixed in the ratio 3:2 in a controlled environment. Now consider the following:
i. The first chemical is a mix of two chemical A and B in the ratio 1:3.
ii. The second chemical is a mix of same two chemicals A and B in the ratio 2:1.
What is the ratio of chemical A and B in the final chemical X?
a. 7:11
b. 11:7
c. 8:15
d. 15:8
Answer: a. 7:11
15. A milkman makes his milk mixture by adding water to pure milk. He makes a mixture of 340 L milk with milk and water in the ratio 27:7. To meet the growing demand, he decides to further dilute the mixture with water. The new mixture has pure milk and water in the ratio 3:1. How much more water will he have to add to the previous mixture?
a. 10 litre
b. 15 litre
c. 20 litre
d. 24 litre
Answer: c. 20 litre
