The ratio of volumes of two cubes is 8:125. The ratio of their surface areas is

ratio of volume of two cube $ \large = \frac{a^3}{b^3} = \frac{8}{125} = \frac{2^3}{5^3} $

ratio of area of  two cubes $ \large = \frac{4a^2}{4b^2} = \frac{4}{25} $

Hence Option (1) 4:25 is correct.

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