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Answer :

Answer:

C

Step-by-step explanation:

Given the sides of cubes in the ratio a : b , then

ratio of volumes = a³ : b³

Here ratio of sides = 2 : 4 = 1 : 2 ( smaller : larger ) , so

ratio of volumes = 1³ : 2³ = 1 : 8

Then the volume of the larger cube is 8 times the volume of the smaller.