Quantitative Aptitude Ratio & Proportion Quest

Quantitative Aptitude – Ratio & Proportion – Questions – 01

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1. The third porportion to (z2 – y2) and (z – y) is :

 
 
 
 

2. The fourth propotional of 0.2, 0.12 and 0.3 is :

 
 
 
 

3. If 1 / 3 A = 1 / 4 B = 1 / 5 C, then A : B : C is :

 
 
 
 

4. If z : y = 2 : 1, then (z2 – y2) : (z2 + y2) is :

 
 
 
 

5. The mean proportion between 0.32 and 0.02 is :

 
 
 
 

6. If (4z2 – 3y2) : (2z2 + 5y2) = 12 : 19, then z : y is :

 
 
 
 

7. If A = 1 / 3 B and B = 1 / 2 C, then A : B : C is :

 
 
 
 

8. The third proportion to 0.36 and 0.48 is :

 
 
 
 

9. If 2A = 3B and 4B = 5C, then A : C is :

 
 
 
 

10. If z : y = 5 : 2, then the value of (8z + 9y) : (8z + 2y) is :

 
 
 
 

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