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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 =Â $$a : b = 4 : 5$$
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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