Intermediate Mathematical Challenge 2025 Q5

$\small\text{A}\,\,\,$ $\displaystyle\frac{1}{25}$

$\small\text{B}\,\,\,$ $\displaystyle\frac{1}{5}$

$\small\text{C}\,\,\,$ $1$

$\small\text{D}\,\,\,$ $5$

$\small\text{E}\,\,\,$ $25$