3 8 16 ÷ 10049 × 3 125 is equal to = ?

Answer: Option B

$$\begin{array}{rl}& \text{According to the question,}\\ & \frac{\text{root}3\text{of}8}{\sqrt{16}}÷\sqrt{\frac{100}{49}}\times \text{root}3\text{of}125\\ & \Rightarrow \frac{2}{4}÷\frac{10}{7}\times 5\\ & \Rightarrow \frac{2}{4}\times \frac{7}{10}\times 5\\ & \Rightarrow \frac{7}{4}\\ & \Rightarrow 1\frac{3}{4}\end{array}$$