Ratio and Proportion Maths Online Quiz Test

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.

Ratio and Proportion Maths Online Quiz Test With Question  Answers Mcqs

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Math

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

3:20

20:3

2:3

3:4

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Question 1 of 15

2. 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:

785

675

None of these

890

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Question 2 of 15

3. 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:

15 years

9 years

18 years

21 years

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Question 3 of 15

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

19/31

99/13

19/39

31/19

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Question 4 of 15

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

None of these

7

5

3

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Question 5 of 15

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

None of these

60%

90%

70%

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Question 6 of 15

7. 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?

15 years

10 years

12 years

8 years

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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:

None of these

5

11

7

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Question 8 of 15

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

None of these

26 liters

24 liters

18 liters

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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:

8:3

7:3

2:1

4:3

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Question 10 of 15

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

0.4

0.49

4.9

49

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Question 11 of 15

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

441

641

541

None of these

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Question 12 of 15

13. Which of the following ratio is the largest?

17:25

7:15

15:23

21:29

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Question 13 of 15

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

16:17

3:4

17:16

4:3

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Question 14 of 15

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

1:2

4:1

1:4

2:1

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Question 15 of 15

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