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 : 1.4 :: 1.4 : x, the value of x is:

4.9

49

0.49

0.4

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Question 1 of 15

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

2:3

20:3

3:4

3:20

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Question 2 of 15

3. 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?

10 years

15 years

8 years

12 years

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Question 3 of 15

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

3

7

5

None of these

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Question 4 of 15

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

99/13

31/19

19/39

19/31

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Question 5 of 15

6. 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:

None of these

675

785

890

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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:

None of these

60%

70%

90%

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Question 7 of 15

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

1:2

1:4

2:1

4:1

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Question 8 of 15

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

441

None of these

641

541

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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

4:3

7:3

2:1

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Question 10 of 15

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

3:4

4:3

17:16

16:17

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Question 11 of 15

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

None of these

11

5

7

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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  becomes 4:3. The quantity of alcohol in the mixture is:

26 liters

None of these

24 liters

18 liters

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Question 13 of 15

14. 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:

9 years

15 years

21 years

18 years

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Question 14 of 15

15. Which of the following ratio is the largest?

15:23

7:15

21:29

17:25

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Question 15 of 15

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