Question 73
If x : y = 5 : 4, then what will be the ratio of $$\left(\frac{x}{y}\right) : \left( \frac{y}{x} \right)$$?
Solution
Given = x : y = 5 : 4
Let $$x=5$$ and $$y=4$$
To find = $$\left(\frac{x}{y}\right) : \left( \frac{y}{x} \right)$$
= $$x^2:y^2=25:16$$
=> Ans - (A)
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