Solve $${\left( {\frac{{18}}{4}} \right)^2} \times $$ $$\left( {\frac{{455}}{{19}}} \right) \div $$  $$\left( {\frac{{61}}{{799}}} \right) = ?$$

A. 6320

B. 6400

C. 6350

D. 6430

E. 6490

Answer: Option C

Solution(By Examveda Team)

$$\eqalign{ & {\left( {\frac{{18}}{4}} \right)^2} \times \left( {\frac{{455}}{{19}}} \right) \div \left( {\frac{{61}}{{799}}} \right) \cr & = \frac{{324}}{{16}} \times \frac{{455}}{{19}} \times \frac{{799}}{{61}} \cr & = 6350 \cr} $$