Find the value of 248 + 52 + 144 = ?

Answer: Option B

$$\begin{array}{rl}& \text{According to question,}\\ & \sqrt{248+\sqrt{52+\sqrt{144}}}\\ & \Rightarrow \sqrt{248+\sqrt{52+12}}\\ & \Rightarrow \sqrt{248+\sqrt{64}}\\ & \Rightarrow \sqrt{256}\\ & \Rightarrow \pm 16\end{array}$$