Find the simple interest on Rs. 5200 for 2 years at 6% per annum.

Answer: Option D

$$\begin{array}{rl}& \text{P = Principal}\text{Amount}\\ & \text{T = }\text{Time}\text{period}\\ & \text{R = Rate}\text{of}\text{Interest}\\ & I=\frac{P\times T\times R}{100}\\ & I=\frac{5200\times 2\times 6}{100}\\ & I=624.\end{array}$$