(12)3 × 64 × 432-1 = ?

Answer: Option A

$$\begin{array}{rl}& \text{Given}\text{Exp}\text{.}\\ & =\frac{{\left(12\right)}^3\times 6^4}{432}\\ & =\frac{{\left(12\right)}^3\times 6^4}{12\times 6^2}\\ & ={\left(12\right)}^2\times 6^2\\ & ={\left(72\right)}^2\\ & =5184\end{array}$$