Question

The sum of the first n terms of a sequence is given by $5^{n+1}-5$. Find the ratio of (m)${}^{th}$ and (m+3)${}^{th}$ term of the sequence.

• A. $\frac{1}{125}$
• B. $\frac{1}{1000}$
• C. $\frac{m}{(m+3)}$
• D. $\frac{m^3}{(m+3{)}^3}$

Answer 1

The correct option is A $\frac{1}{125}$