CAT Ratio Proportions Practice Questions With Solutions

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CAT Ratio & Proportions Practice Questions with Solutions

A lot of questions are asked from Ratio and Proportions in the Quantitative section of the CAT exam. Therefore, candidates must develop a firm understanding of this part by practicing CAT Ratio Proportions Practice Questions with Solutions frequently. The key topics covered in the ratio and proportion part are simple ratio and proportion problems, mixtures and alligation, compound or continued proportions, and direct, inverse and joint variation relationships.

Approximately 2 to 4 questions in the exam are usually asked from the Ratio and Proportion part. However, the number of questions asked each year may vary. In the CAT 2021 exam, 4 to 5 questions appeared from this topic. So, attempting CAT Ratio Proportions Practice Questions with Solutions is essential to obtain a high score in the CAT exam. Candidates should solve at least 10 questions from Ratio and Proportions every week to improve accuracy in solving problems. The CAT Quant Ratio & Proportions Practice Test contains a variety of mathematical problems from this chapter. Attempting these tests will help aspirants boost their problem-solving skills and gain confidence to answer questions from the Quantitative Aptitude section of the CAT exam.

CAT Quant Ratio & Proportions Practice Questions

VARC DILR

Question 1.

A mixture P is formed by removing a certain amount of coffee from a coffee jar and replacing the same amount with cocoa powder. The same amount is again removed from mixture P and replaced with same amount of cocoa powder to form a new mixture Q. If the ratio of coffee and cocoa in the mixture Q is 16 : 9, then the ratio of cocoa in mixture P to that in mixture Q is

1 : 3

1 : 2

5 : 9

4 : 9

Question 2.

The salaries of three friends Sita, Gita and Mita are initially in the ratio 5 : 6 : 7, respectively. In the first year, they get salary hikes of 20%, 25% and 20%, respectively. In the second year, Sita and Mita get salary hikes of 40% and 25%, respectively, and the salary of Gita becomes equal to the mean salary of the three friends. The salary hike of Gita in the second year is

25%

28%

26%

30%

Question 3.

For some positive and distinct real numbers $x, y$ and z, if $\frac{1}{\sqrt{y}+\sqrt{z}}$ is the arithmetic mean of $\frac{1}{\sqrt{x}+\sqrt{z}}$ and $\frac{1}{\sqrt{x}+\sqrt{y}}$ , then the relationship which will always hold true, is

$\sqrt{x}, \sqrt{z}$ and $\sqrt{y}$ are in arithmetic progression

y, x and z are in arithmetic progression

x, y and z are in arithmetic progression

$\sqrt{x}, \sqrt{y}$ and $\sqrt{z}$ are in arithmetic progression

Question 4.

Ravi is driving at a speed of 40 km/h on a road. Vijay is 54 meters behind Ravi and driving in the same direction as Ravi. Ashok is driving along the same road from the opposite direction at a speed of 50 km/h and is 225 meters away from Ravi. The speed, in km/h, at which Vijay should drive so that all the three cross each other at the same time, is

58.8

67.2

61.6

64.4

Question 5.

In a company, 20% of the employees work in the manufacturing department. If the total salary obtained by all the manufacturing employees is one-sixth of the total salary obtained by all the employees in the company, then the ratio of the average salary obtained by the manufacturing employees to the average salary obtained by the nonmanufacturing employees is

6:5

4:5

5:4

5:6

Question 6.

Anil mixes cocoa with sugar in the ratio 3 : 2 to prepare mixture A, and coffee with sugar in the ratio 7 : 3 to prepare mixture B. He combines mixtures A and B in the ratio 2 : 3 to make a new mixture C. If he mixes C with an equal amount of milk to make a drink, then the percentage of sugar in this drink will be

Question 7.

There are three persons A, B and C in a room. If a person D joins the room, the average weight of the persons in the room reduces by x kg. Instead of D, if person E joins the room, the average weight of the persons in the room increases by 2x kg. If the weight of E is 12 kg more than that of D, then the value of x is

0.5

1.5

Question 8.

A boat takes 2 hours to travel downstream a river from port A to port B, and 3 hours to return to port A. Another boat takes a total of 6 hours to travel from port B to port A and return to port B. If the speeds of the boats and the river are constant, then the time, in hours, taken by the slower boat to travel from port A to port B is

$12(\sqrt{5} - 2)$

$3(3 + \sqrt{5})$

$3(\sqrt{5} - 1)$

$3(3 - \sqrt{5})$

Question 9.

The average weight of students in a class increases by 600 gm when some new students join the class. If the average weight of the new students is 3 kg more than the average weight of the original students, then the ratio of the number of original students to the number of new students is

1 : 4

1 : 2

4 : 1

3 : 1

Question 10.

A mixture contains lemon juice and sugar syrup in equal proportion. If a new mixture is created by adding this mixture and sugar syrup in the ratio 1 : 3, then the ratio of lemon juice and sugar syrup in the new mixture is

1 : 4

1 : 5

1 : 6

1 : 7

Question 1.

Alex invested his savings in two parts. The simple interest earned on the first part at 15% per annum for 4 years is the same as the simple interest earned on the second part at 12% per annum for 3 years. Then, the percentage of his savings invested in the first part is

37.5%

62.5%

60%

40%

Question 2.

Two ships meet mid-ocean, and then, one ship goes south and the other ship goes west, both travelling at constant speeds. Two hours later, they are 60 km apart. If the speed of one of the ships is 6 km per hour more than the other one, then the speed, in km per hour, of the slower ship is

Question 3.

In an election, there were four candidates and 80% of the registered voters casted their votes. One of the candidates received 30% of the casted votes while the other three candidates received the remaining casted votes in the proportion 1 : 2 : 3. If the winner of the election received 2512 votes more than the candidate with the second highest votes, then the number of registered voters was

50240

40192

60288

62800

Question 4.

There are two containers of the same volume, first container half-filled with sugar syrup and the second container half-filled with milk. Half the content of the first container is transferred to the second container, and then the half of this mixture is transferred back to the first container. Next, half the content of the first container is transferred back to the second container. Then the ratio of sugar syrup and milk in the second container is

4 : 5

6 : 5

5 : 4

5 : 6

Question 5.

A group of N people worked on a project. They finished 35% of the project by working 7 hours a day for 10 days. Thereafter, 10 people left the group and the remaining people finished the rest of the project in 14 days by working 10 hours a day. Then the value of N is

150

140

Question 6.

A glass contains 500 cc of milk and a cup contains 500 cc of water. From the glass, 150 cc of milk is transferred to the cup and mixed thoroughly. Next, 150 cc of this mixture is transferred from the cup to the glass. Now, the amount of water in the glass and the amount of milk in the cup are in the ratio

1 : 1

10 : 13

3 : 10

10 : 3

Question 7.

Two cars travel from different locations at constant speeds. To meet each other after starting at the same time, they take 1.5 hours if they travel towards each other, but 10.5 hours if they travel in the same direction. If the speed of the slower car is 60 km/hr, then the distance traveled, in km, by the slower car when it meets the other car while traveling towards each other, is

100

120

150

Question 8.

Two trains cross each other in 14 seconds when running in opposite directions along parallel tracks. The faster train is 160 m long and crosses a lamp post in 12 seconds. If the speed of the other train is 6 km/hr less than the faster one, its length, in m, is

184

192

190

180

Question 9.

The amount Neeta and Geeta together earn in a day equals what Sita alone earns in 6 days. The amount Sita and Neeta together earn in a day equals what Geeta alone earns in 2 days. The ratio of the daily earnings of the one who earns the most to that of the one who earns the least is

3:2

11:7

11:3

7:3

Question 10.

Onion is sold for 5 consecutive months at the rate of Rs 10, 20, 25, 25, and 50 per kg, respectively. A family spends a fixed amount of money on onion for each of the first three months, and then spends half that amount on onion for each of the next two months. The average expense for onion, in rupees per kg, for the family over these 5 months is closest to

CAT Ratio Proportions Practice Questions With Solutions | Download Free PDF

CAT Ratio & Proportions Practice Questions with Solutions

CAT Quant Ratio & Proportions Practice Questions

Question 1.

Question 2.

Question 3.

Question 4.

Question 5.

Question 6.

Question 7.

Question 8.

Question 9.

Question 10.

Question 1.

Question 2.

Question 3.

Question 4.

Question 5.

Question 6.

Question 7.

Question 8.

Question 9.

Question 10.

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