RATIO AND PROPORTION SET 9

Ratio and Proportion Questions are important for competitive exams. We are here with another set of Ratio and Proportion Questions

Q1. A, B and C started a business. A invests 1/2 capital for 1/4 time, B invests =1/8 capital for 1/2 time and C invests the remaining capital for whole time. Find the share of B in the total profit Rs 9900.
(a) Rs 2200
(b) Rs 1100
(c) Rs 6600
(d) Rs 4400
(e) None of these

Q2. Two jars having a capacity of 3 and 5 litres respectively are filled with mixtures of milk and water. In the smaller jar 25% of the mixture is milk and in the larger 25% of the mixture is water. The jars are emptied into a 10 litre cask whose remaining capacity is filled up with water. Find the percentage of milk in the cask.
(a) 55%
(b) 50%
(c) 45%
(d) 25%
(e) None of these

Q3. Two metals X and Y are to be used for making two different alloys. If the ratio by weight of X : Y in the first alloy is 6 : 5 and that in the second is 7 : 13, how many kg of X metal must be melted along with 11 kg of the first alloy and 20 kg of the second so as to produce a new alloy containing 40% of metal Y?
(a) 11
(b) 12
(c) 13
(d) 14
(e) None of these

Q4. Two equal glasses are respectively 2/3 and 1/4 full of milk. They are then filled up with water and the contents are mixed in a tumbler. The ratio of milk and water in the tumbler is
(a) 5 : 6
(b) 11 : 13
(c) 13 : 11
(d) Cannot be determined
(e) None of these

Q5. The ratio of the present ages of a son and his father is 1 : 5 and that of his mother and father is 4 : 5. After 2 years the ratio of the age of the son to that of his mother becomes 3 : 10. What is the present age of the father?
(a) 30 years
(b) 28 years
(c) 37 years
(d) 35 years
(e) None of these

Answers:

1)C 2)A 3)B 4)C 5)A