Question

The $n^{th}$ term of a Geometric Progression is $a_n=a{r}^{n-1}$, where $r$ represents

• A. common difference
• B. common ratio
• C. first term
• D. none of these

Answer 1

The correct option is B common ratio

$n^{th}$ term of GP is $a_n=a{r}^{n-1}$
Here, $a$ is called first term and $r$ is called common ratio.
Option $B$ is correct.