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20 Ratio and Proportion Questions and Answers | Quantitative Aptitude

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  • Dec 16, 2023
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Ratio and Proportion Questions

Ratio and Proportion Questions are important topics for anyone who is preparing for upcoming govt exams. Also, you can find some questions of Ratio and Proportion in the entrance exams of various universities. Undoubtedly, with regular practice of these topics you can clear your concept for upcoming exams. In this blog, we have mentioned 20 Ratio and Proportion questions and answers to help you in practice. Let’s check them out.

1. Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:

(A) 2 : 5
(B) 3 : 5
(C) 4 : 5
(D) 6 : 7
Answer: C

2. In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quantity of water to be further added is:

(A) 20 litres
(B) 30 litres
(C) 40 litres
(D) 60 litres
Answer: D

3. Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit’s salary?

(A) Rs. 17,000
(B) Rs. 20,000
(C) Rs. 25,500
(D) Rs. 38,000
Answer: D

4. If 0.75 : x :: 5 : 8, then x is equal to:

(A) 1.12
(B) 1.2
(C) 1.25
(D) 1.30
Answer: B

5. The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:

(A) 20
(B) 30
(C) 48
(D) 58
Answer: B

6. If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

(A) 2 : 5
(B) 3 : 7
(C) 5 : 3
(D) 7 : 3
Answer: C

7. Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is:

(A) 27
(B) 33
(C) 49
(D) 55
Answer: B

8. In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?

(A) 50
(B) 100
(C) 150
(D) 200
Answer: C

9. A and B together have Rs. 1210. If 4/15 of A’s amount is equal to 2/5 of B’s amount, how much amount does B have?

(A) Rs.460
(B) Rs.484
(C) Rs.550
(D) Rs.664
Answer: B

10. A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B’s share?

(A) Rs. 500
(B) Rs. 1500
(C) Rs. 2000
(D) None of these
Answer: C

11. The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:

(A) 20
(B) 30
(C) 48
(D) 58
Answer: 30

12. Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is:

(A) 27
(B) 33
(C) 49
(D) 55
Answer: B

13. If Suresh distributes his pens in the ratio of 1/2 : 1/4 : 1/5 : 1/7 between his four friends A, B, C and D, then find the total number of pens Suresh should have?

(A) 153
(B) 150
(C) 100
(D) 125
Answer: A

14. By selling 6 Apples for Rs. 100 a man loses 20% , how many Apples should he sell for Rs100 to gain 20%?

(A) 4
(B) 5
(C) 6
(D) 7
Answer: A

15. When a sum of money was equally distributed among 49 children, each child received Rs. 20. If the same amount is equally distributed among children, such that each child gets Rs. 3.5, find the number of children.

(A) 280
(B) 246
(C) 245
(D) 240
Answer: A

16. Find the ratio of the diagonal of a square of side 30 cm, to its side.

(A) √2: 3
(B) √3: 4
(C) 1 : √2
(D) √2: 1
Answer: D

17.  200 g of 25% sulphuric acid solution was added to 300 g of 40% sulphuric acid solution. Find the concentration of the acid in the mixture.

(A) 14%
(B) 24%
(C) 44%
(D) 34%
Answer: D

18. 300 coins consists of 1 rupee, 50 paise and 25 paise coins, their values being in the ratio of 10 : 4 : C. Find the number of coins of each types, check.

(A) 100, 80, 120
(B) 80, 90, 100
(C) 100, 100, 80
(D) 60, 80, 100
Answer: A

19. Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:

(A) 2:5
(B) 3:5
(C) 4:5
(D) 5:4
Answer: C

20. A sum of Rs.312 was divided among 100 boys and girls in such a way that the boy gets Rs.3.60 and each girl Rs. 2.40 the number of girls is

(A) 35
(B) 40
(C) 45
(D) 50
Answer: B

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