In the following relationship chart, A→B means A is the mother (or any other relationship) of B. Now using the chart, find out how is F related to E.
If \( \frac{1}{25} \) : \( \frac{1}{x} \) =\( \frac{1}{x} \) : \( \frac{1}{625} \), then the value of x is _____.
Find the value of \(\frac{119.5^2-116.4^2}{119.5-116.4}\)
Study the given pattern carefully and select the alphabet that can replace the question mark (?) in it.