Directions: In the question below select the related number from the given alternative.
\(\frac{1}{9}\;:\frac{1}{{81}}::\frac{1}{{13}}:\;\underline?\)
1
\(\frac{1}{{169}}\)
2
\(\frac{1}{{125}}\)
3
\(\frac{1}{{120}}\)
4
\(\frac{1}{{127}}\)
Directions: In the question below select the related number from the given alternative.
\(\frac{1}{9}\;:\frac{1}{{81}}::\frac{1}{{13}}:\;\underline?\)