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# Ratio and Proportion Maths Online Quiz Test

### Test Instructions

Test Name : Ratio and Proportion Maths Online Quiz Info Test
Subject : General Math Test
Test Type : Mcqs
Total Question : 15
Total Marks : 30
Total Time : 15 Minutes

Given below is a free online mathematics quiz which includes mcqs questions and answers related to the topic of Percentage. All the individuals who are preparing to appear in any math related exam or just want to improve their problem solving skills, can attempt this test in order to do so with ease.

## Math

1. Find he value of x Â in the following proportion :27: :: x:8

Question 1 of 15

2. The average age of three boys is 25 years and their ages are in the proportion 3 : 5 : 7. The age of the youngest boy is:

Question 2 of 15

3. If a:b = 2:5, then the value of (2a + 3b) : (7a + 5b) is:

Question 3 of 15

4. Find a third proportional to the numbers 4, 42.

Question 4 of 15

5. If 0.4 of a number is equal to 0.06 of another number, then the ratio of the numbers is:

Question 5 of 15

6. The ratio of a age of man and his wife is 4:3. After 4 years, this ratio will be 9:7. If at the time of the marriage, the ratio was 5:3, the how many years ago they were married?

Question 6 of 15

7. If an alloys contains copper and silver in the ratio 3:7, then the percentage quantity of silver in the alloy is:

Question 7 of 15

8. When x is added to each term of 7:13 the ratio becomes 2:3. The value of x is:

Question 8 of 15

9. Which of the following ratio is the largest?

Question 9 of 15

10. 20 liters of a mixture contains milk and water in the ratio 5:3. If 4 liters of this mixtures are replaced by 4 liters of milk, the ratio of milk to water in the new mixture will become:

Question 10 of 15

11. The ratio of boys and girls in a school is 9:5. If the total number of students in the school is 1050, the number of boys is:

Question 11 of 15

12. If 15% of x is the same as 20% of y, then x:y is:

Question 12 of 15

13. A mixture contains alcohol and water in the ratio of 12:5. On adding 14 liters of water, the ratio of alcohol to water Â becomes 4:3. The quantity of alcohol in the mixture is:

Question 13 of 15

14. If 5a + 3b/2a - 3b = 23/5, then the value of a:b is :

Question 14 of 15

15. If 0.4 : 1.4 :: 1.4 : x, the value of x is:

Question 15 of 15

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