Ratio and Proportion Math Test Online

Ratio and Proportion Math Test

Total Questions: 15
Time Allowed: 10 Minutes
Total Marks: 15
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: Mathematics test
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Ratio and Proportion Math Test Practice Online




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

2. 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:

3. 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:

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

5. 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:

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

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?

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

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

10. 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:

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

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

13. Which of the following ratio is the largest?

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

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


 

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