Question 71

If $$a : b = 4 : 5$$, then what will be the ratio of $$\left(\frac{a}{b}\right) : \left(\frac{b}{a}\right)$$?

Solution

Given = $$a : b = 4 : 5$$

Let $$a=4$$ and $$b=5$$

To find = $$\left(\frac{a}{b}\right) : \left(\frac{b}{a}\right)$$

= $$a^2:b^2=16:25$$

=> Ans - (C)

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