Solve this : 4/3 of 25% 18/19 of 57 = ?

Answer: Option C

Given, $$\frac{4}{3}$$ of 25% $$\frac{18}{19}$$ of 57 = ?
$$\begin{array}{rl}& ?=\left[\left(\frac{25}{100}\times \frac{4}{3}\right)\times \left(\frac{18}{19}\times 57\right)\right]\\ & ?=\frac{1}{4}\times \frac{4}{3}\times \frac{18}{19}\times 57\\ & ?=18\end{array}$$