The value of 3.157 × 4126 × 3.19863.972 × 2835.121 is closest to :

Answer: Option C

$$\begin{array}{rl}& =\frac{3.157\times 4126\times 3.198}{63.972\times 2835.121}\\ & \approx \frac{3.2\times 4126\times 3.2}{64\times 2835}\\ & =\frac{32\times 4126\times 32}{64\times 2835}\times \frac{1}{100}\\ & =\frac{66016}{2835}\times \frac{1}{100}\\ & =\frac{23.28}{100}\\ & =0.23\\ & \approx 0.2\end{array}$$