# Important Ratio and Proportion Questions 2020

Mathematics is a very important subject for all competitive exams. We always need more diligence to understand the ratio and proportion and age-related questions asked in mathematics. That is why young people need to read these questions carefully.

Here the important ratio and proportion questions provided by us will help you in getting success in SSC, Banking, Railway Exams, Defense Exams or other examinations. Students can solve easily these questions if they know **ratio and proportion formulas** that how to use formulas in these questions.

** Q : If 2A=3B=4C, then A:B:C will be-**

(A) 2:3:4

(B) 4:3:2

(C) 6:4:3

(D) 3:4:6

Correct Answer : C

**Q : If A:B:C=2:3:4, then the ratio$$({a\over b}):({b\over c}):({c\over a})$$will be**

(A) 8:9:16

(B) 8:9:12

(C) 8:9:24

(D) 4:9:16

Correct Answer : C

**Q : Rs. 180 is stored in a box in the form of 1 Rupee coins, 50 paisa coins and 25 paisa coins. Their ratio is 2:3:4. Find the no. of 50 paisa coins.**

(A) 60

(B) 120

(C) 150

(D) 180

Correct Answer : B

**Q : If (\(4a ^2\)-\(3b^2\)):(\(2a ^2\)+\(5b ^2\))=12:19, then a:b=___**

(A) 2:3

(B) 1:2

(C) 3:2

(D) 2:1

Correct Answer : C

**Q : 40% of the number is equal to three-fourth of another number. What is the ratio between first number and second number?**

(A) 15:16

(B) 15:8

(C) 9:15

(D) 8:17

Correct Answer : B

**Q : The ratio of managers to management trainees is 3:5. When 21 new management trainees are recruited, the ratio will become 3:8. How many managers will there be in the group?**

(A) 27

(B) 24

(C) 21

(D) Cannot be determined

Correct Answer : C

**Q : The total number of students in a school is 1224. If the number of girls in the school is 600, what is the respective ratio of the total number of boys to the total number of girls in the school?**

(A) 26:25

(B) 21:17

(C) 18:13

(D) 5:4

Correct Answer : A