If the volume of two cubes are in the ratio 27 : 1, then the ratio of their edges is -

3 : 1 9 : 1 1 : 3 2 : 3

3 : 1

Ratio of volumes = 27 : 1 Ratio of edges =  \(\sqrt[3]{27 }\) : \(\sqrt[3]{1 }\)                         = 3 : 1