MCQ
Match the terms given in Column$-I$ with the terms given in Column$-II$ and choose the correct option from the codes given below.
Codes $\text{ABCD}$
| Column$-I$ | Column$-II$ | ||
| $(A)$ | If $\text{P}(\text{n},4)=20.\text{P}(\text{n},2)$ then the value of $n$ is | $(1)$ | $28$ |
| $(B)$ | $\ ^5\text{p}_\text{r}=\ ^{26}\text{p}_\text{r-1}$ | $(2)$ | $4$ |
| $(C)$ | $\ ^5\text{p}_\text{r}=\ ^{6}\text{p}_\text{r-1}$ | $(3)$ | $7$ |
| $(D)$ | Value of $\frac{8!}{6!\times2!}$ is | $(4)$ | $3$ |
- A$4321$
- B$3412$
- C$4231$
- ✓$3421$