In the equation $$\frac{{4050}}{{\sqrt x }} = 450{\text{,}}$$   the value of x is = ?

A. 9

B. 49

C. 81

D. 100

Answer: Option C

Solution(By Examveda Team)

$$\eqalign{ & \frac{{4050}}{{\sqrt x }} = 450 \cr & \Leftrightarrow \sqrt x = \frac{{4050}}{{450}} \cr & \Leftrightarrow \sqrt x = 9 \cr & \Leftrightarrow x = {\left( 9 \right)^2} \cr & \Leftrightarrow x = 81 \cr} $$