853 + ? ÷ 17 = 1000

Answer: Option B

$$\begin{array}{rl}& \text{Let,}\\ & \text{853 + }x÷17=1000\\ & \text{Then,}\\ & \text{853 + }\frac{x}{17}=1000\\ & \iff \frac{x}{17}=1000-853\\ & =147\\ & \iff x=147\times 17\\ & =2499\end{array}$$