If $$\sqrt y = 4x{\text{,}}$$ then $$\frac{{{x^2}}}{y}$$ is = ?
A. 2
B. $$\frac{1}{{16}}$$
C. $$\frac{1}{4}$$
D. 4
Answer: Option B
Solution (By Examveda Team)
$$\eqalign{ & \Leftrightarrow \sqrt y = 4x \cr & \Leftrightarrow y = {\left( {4x} \right)^2} \cr & \Leftrightarrow y = 16{x^2} \cr & \Leftrightarrow \frac{{{x^2}}}{y} = \frac{1}{{16}} \cr} $$This Question Belongs to Arithmetic Ability >> Square Root And Cube Root
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