Question

If $\text{nth}$ term of a G.P. series is $7\times 5^{2n+1}$, then the common ratio is

• A. $7\times 5^{2n+1}$
• B. $7\times 5^2$
• C. $5^2$
• D. $5^3$

Answer 1

The correct option is C $5^2$

$\frac{T_2}{T_1}=\frac{7\times 5^5}{7\times 5^3}=5^2$