Quantitative Aptitude Ratio & Proportion Quest 107

Quantitative Aptitude – Ratio & Proportion – Questions – 02

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1. What same number must be added to each term of the ratio 7 : 13 so that the ratio becomes 2 : 3 ?

 
 
 
 

2. The least whole number which when subtracted from both the terms of the ratio 6 : 7 to give a ratio less than 16 : 21, is :

 
 
 
 

3. If 5z2 – 13zy + 6y2 = 0, then z : y is :

 
 
 
 

4. The ratio between two numbers is 3 : 4. If each number is increased by 6, the ratio becomes 4 : 5. The difference between the numbers is :

 
 
 
 

5. What number should be subtracted from each of the numbers 23, 30, 57 and 78 so that the remainders may be proportional ?

 
 
 
 

6. Which of the following ratios is the greatest ?

 
 
 
 

7. Two numbers are in the ratio 3 : 5. If each number is increased by 10, the ratio becomes 5 : 7. The number are :

 
 
 
 

8. If z2 + 4y2 = 4zy, then z : y is :

 
 
 
 

9. What number should be added to each of the numbers 8, 21, 13 and 31 so that the resulting numbers, in this order from proportion ?

 
 
 
 

10. What number should be subtracted from both the terms of the ratio 15 : 19 so as to make it as 3 : 4 ?

 
 
 
 

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