999 9899 × 99 is equal to :

Answer: Option A

$$\begin{array}{rl}& =999\frac{98}{99}\times 99\\ & =(1000-1)\frac{98}{99}\times 99\\ & =\left[\left(1000-1\right)+\frac{98}{99}\right]\times 99\\ & =99000-99+98\\ & =99000-1\\ & =98999\end{array}$$