The following GMAT Problem Solving question tests your understanding of how to simplify arithmetic expressions that use factorials.

**Question 4**:

$$\dfrac{(48!)(22!)(10!)(8!)}{(50!)(20!)(12!)(6!)}=$$

- $\quad \dfrac{2}{25}$
- $\quad \dfrac{3}{20}$
- $\quad \dfrac{5}{18}$
- $\quad \dfrac{6}{17}$
- $\quad \dfrac{7}{15}$

**Video Explanation**