# Arithmetic Aptitude :: Ratio & Proportion

**Home**>

**Arithmetic Aptitude**>

**Ratio & Proportion**>

**Discussion**

## 9. What must be added to the two numbers, which are in ratio 5 : 12, so that the new ratio becomes 3:4?

**Answer:**

**Option D**

**Explanation :**

Let x be the required number.

Then, According to the question,

=> (5+x)/(12+x) = 3/4

=> 20 + 4x = 36 + 3x.

=> x = 16.

**Asked In :: **
iGate

No Discussion on this question yet!