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)

$$\eqalign{ & \Leftrightarrow \sqrt y = 4x \cr & \Leftrightarrow y = {\left( {4x} \right)^2} \cr & \Leftrightarrow y = 16{x^2} \cr & \Leftrightarrow \frac{{{x^2}}}{y} = \frac{1}{{16}} \cr} $$