Ratio and Proportion Aptitude Questions and Answers | MCQ Problems

2022-02-02

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Ratio and Proportion Aptitude Questions and Answers | MCQ Problems: The current article is very helpful for the candidates who are about to take the Ratio and Proportion Online Test. Well, everyone knows that the Ratios are used to compare the values. By checking this post, you can easily learn about the Ratio and Proportion Concepts, Ratio, and Proportion Formulas. As per the latest news, a huge number of candidates are preparing for various competitive examinations and Entrance Exams. And all the preparing people are saying that there are poor in Ratio and Proportion section in Aptitude.

Moreover, to help the competitors, here we have arranged the Ratio and Proportion Quiz Online Test. Therefore, those who are interested in checking the Aptitude Questions and Answers can go through this article and clearly check the Ratio and Proportion Problems and Solutions.

Table of Contents

Ratio and Proportion Aptitude Questions and Answers – Overview

Quiz Name	Ratio and Proportion
Category	Aptitude
Number of Questions	25
Time	30 Minutes
Exam Type	MCQ (Multiple Choice Questions)

Ratio and Proportion Quiz Online Test – Practice Now

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1. A and B are two alloys of gold and copper prepared by mixing metals in the ratio 7 : 2 and 7 : 11 respectively. If equal quantities of the alloys are melted to form a third alloy C, the ratio of gold and copper in C will be:

A. 5 : 7
B. 5 : 9
C. 7 : 5
D. 9 : 5
E. None of these

Answer: C

Explanation:

2. The ratio of the number of students studying in school A, B and C is 6:7:9. If the number of students studying in each of the schools is increased by 15%, 20% and 30% respectively, what will be the new respective ratio?

A. 33:38:39
B. 23:28:39
C. 23:28:49
D. 23:18:39
E. 25:23:34

Answer: B

Explanation:

3. The sum of the present age of A and B is 48years.If the ratio of ages of A and B 15years ago be 2:1. Then, find the ratio of ages of A and B after 9 years

A. 5:6
B. 6:5
C. 5:9
D. 11:13
E. 7:6

Answer: B

Explanation:

4. The ratio of the present ages of Ragini and Ravi is 8:11. Twenty years hence the ratio of their ages will be 4:5. What will be the ratio of their ages thirty-five years hence?

A. 6:5
B. 6:7
C. 5:8
D. 5:6
E. 5:7

Answer: D

Explanation:

5. Akshay has Rs. 7000 which he wants to donate in 4 NGOs in ratio 2:3:4:5. If on the day of donation, he decided to donate only 90% of what he had decided earlier. Find least amount donated to a particular NGO?

A. Rs. 1800
B. Rs. 900
C. Rs. 1350
D. Rs. 2250
E. Rs. 450

Answer: B

Explanation:

6. In a school, the ratio of boys and girls in 2020 was 14: 11. Next year no. of boys and girls increased by 10% and 15% respectively. If total no. of students in 2021 are 561, then find the no. of boys in school in 2020.

A. 280
B. 240
C. 250
D. 220
E. 260

Answer: A

Explanation:

7. Price of Article-1 and Article-2 are Rs. 3750 and Rs. 6000 respectively. Price of Article-1 increases by 36% and that of Article-2 decreases by 12.5%, then the ratio of the new prices of Article-1 and Article-2 is?

A. 20 : 21
B. 41 : 42
C. 34 : 35
D. 4 : 5
E. 31 : 32

Answer:

Explanation: C

Required ratio = (3750 × 1.36) : (6000 × 0.875) = 5100 : 5250 = 102 : 105 = 34 : 35

8. There are only Rs. 1 and 50 paisa coins in a bag. If the total amount in the bag is Rs. 63 and the ratio of Rs. 1 and 50 paisa coins is 2 : 3, then what is the total number of 50 paisa coins?

A. 48
B. 32
C. 56
D. 36
E. 54

Answer: E

Explanation:

Let number of Rs. 1 coins be 2x and number of 50 paisa coins = 3x
According to the question,
2x × 1 + 3x × 0.5 = 63
⇒ 3.5x = 63
⇒ x = 18
Required number of 50 paisa coins in the bag = 18 × 3 = 54

9. The ratio of two numbers is 2 : 3 . If the first number is increased by 20% and second number is decreased by 20%, then the sum of number becomes 96. Find the sum of original numbers

A. 100
B. 120
C. 140
D. 150
E. None of these

Answer: A

Explanation:

Let first number be 2k and third number be 3k.
120% of 2k + 80% of 3k = 96
⇒ 2.4k + 2.4k = 96
⇒ 4.8k = 96
⇒ k = 20
Sum of the numbers = 5k = 100

10. Two numbers are in the ratio 3 : 4 on increasing each of them by 30 the ratio becomes 9 : 10. The numbers are.

A. 30, 40
B. 15, 20
C. 12, 16
D. 18, 24
E. None

Answer: B

Explanation:

11. A sum of money is to be distributed among A, B and C in the ratio of 3 : 4 : 8. If C gets Rs 800 more than A, then what is the share of B?

A. Rs 540
B. Rs 500
C. Rs 640
D. Rs 750
E. None of these.

Answer: C

Explanation:

Let share of A, B and C be 3k, 4k and 8k respectively.
According to the question:
8k – 3k = 800
⇒ 5k = 800
⇒ k = 160
So, Share of B = 4k = 4 × 160 = Rs. 640

12. A dishonest alcohol trader buys alcohol for 60$/Litre, and adds water to it. Then he sells the alcohol mixed with water at 75$/Litre. What is the ratio of alcohol to water if the trader makes a profit of 37.5%?

A. 9:1
B. 10:1
C. 1:8
D. 1:8
E. 7:1

Answer: B

Explanation:

Selling price of the alcohol is = 75$
and Given, Profit = 37.5%
So, according to that cost price will be = 17/1.375

Ratio = (600/11):(60/11) = 10:1

13. The ratio of the numerical value of a rectangle’s area to its perimeter is 60 : 11. If the length and breadth of the rectangle are in the ratio 6 : 5. Find the length of the rectangle.

A. 40 units
B. 30 units
C. 13 units
D. 24 units
E. 56 units

Answer: D

Explanation:

Ratio of length and breadth is 6 : 5, then
Let length = 6x and breadth = 5x
Area = l × b = 6x × 5x = 30×2
Perimeter = 2 (l + b) = 2(6x + 5x) = 22x

⇒ x = 4
Length = 6x = 6 × 4 = 24 units

14. The price of two articles are in the ratio of 4 : 3 respectively. The price of first article is increased by 50% and the price of second article is decreased by 10%. If the new price of second article is ₹54, then what was the original price of first article?

A. ₹120
B. ₹80
C. ₹100
D. ₹90
E. None

Answer: B

Explanation:

Given, the price of two articles = 4 : 3
Let the price of first article be 40x and that of second one will be 30x.
Now, Price of second article is decreased by 10%.
Therefore, the price of second article = 30x − 10% of 30x
= 30x − 30x = 27x
According To Question,
27x = 54
⇒ x = 2
Therefore, the original price of the first article = 40x = 40×2 = ₹80

15. What is the ratio of the mean proportion between 14.4 & 4.9 and the third proportion of 2 & 4?

A. 20:21
B. 12:21
C. 21:20
D. 21:12
E. None

Answer: C

Explanation:

16. The ratio of two positive numbers is 7:6. Their product is 6048. What is the mean of the two positive numbers?

A. 72
B. 84
C. 78
D. 76
E. None

Answer: C

Explanation:

17. A sum (in Rs.) is distributed between Pratyush, Pratham and Pratyusha in the ratio of 9:4:8. If Pratyusha gives Rs. 800 from her share to Pratham, the ratio of shares of Pratyush, Pratham and Pratyusha becomes 5:4:7. What is the arithmetic mean of shares (in Rs.) of Pratham and Pratyush in the beginning?

A. 3600
B. 7800
C. 3900
D. 7200
E. None

Answer: C

Explanation:

18. If x is subtracted from each of the numbers 43, 81, 119 and 233, then the numbers so obtained in this order are in proportion. What is the mean proportional between (8x +5) and (5x -5)?

A. 40
B. 30
C. 20
D. 25
E. None

Answer: B

Explanation:

19. The ratio of two positive numbers is 9:5. Their product is 5445. What is the mean of the two positive numbers?

A. 75
B. 84
C. 77
D. 76
E. None

Answer: C

Explanation:

20. In a class, the ratio of total students to the difference between pass and fail students is 2 : 1. If 10 more students are admitted in class but number of pass students remains same then the above ratio becomes 5 : 1. How many students were pass initially? (more students pass than fail).

A. 20
B. 30
C. 40
D. 50
E. None

Answer: B

Explanation:

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Ratio and Proportion Questions and Answers in Aptitude

Well, in this section, candidates can learn about the Ratio and Proportion Aptitude Questions and Answers. The major reason to create this article is solving the Ratio and Proportion Problems are very much difficult. Moreover, we recommend the people that you have to learn some of the tricks to solve Ratio and Proportion. At the time of taking the Aptitude Test, a vast number of candidates are didn’t answering the questions from Ratio and Proportion. In that process, there are totally disqualifying in the selection rounds.

Therefore, to avoid that problem, you have to preplan before going to attend for any rounds. We hope that by checking and taking the Online Test, aspirants can quickly improve their solving skills. Moreover, we all know that nowadays many of the organizations are conducting the various examinations for the candidates to give admissions and jobs in various sectors.

Ratio and Proportion Formulas

Moreover, candidates can check the below-given simple formulas

The duplicate ratio of (a : b) is (a² : b²)
Sub-duplicate ratio of (a : b) is (a : b)
Triplicate ratio of (a : b) is (a³ : b³)

Therefore, we suggest the candidates, to take retake the Ratio and Proportion Online Test. To get the daily updates on Quiz you have to bookmark our website Freshers Now. Moreover, we insist the candidates, take a look at our website at regular intervals.

Ratio and Proportion Aptitude Questions and Answers | MCQ Problems

Ratio and Proportion Aptitude Questions and Answers – Overview

Ratio and Proportion Quiz Online Test – Practice Now

Ratio and Proportion Questions and Answers in Aptitude

Ratio and Proportion Formulas

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