If 51.844.32 = 12 , then the value of 0.0051840.432 is :

Answer: Option B

Given :
$$\begin{array}{rl}& \iff \frac{51.84}{4.32}=12\\ & \iff \frac{5184}{432}=12\\ & \therefore \frac{0.005184}{0.432}\\ & =\frac{5.184}{432}\\ & =\frac{5184}{432}\times \frac{1}{1000}\\ & =12\times \frac{1}{1000}\\ & =0.012\end{array}$$