16Hit1600
Advanced MathEasy–MediumRatio of sides from a ratio of cube volumes

Advanced Math practice question

The volume of one cube is 8 times the volume of a smaller cube. The side length of the larger cube is how many times the side length of the smaller cube?

Answer: 2

Volume scales with the cube of the side: k³ = 8 → k = 2.

Common wrong answers

If you answered 4
4 is the ratio of the surface areas (2²).
If you answered 8
8 is the volume ratio, not the side ratio.
If you answered 2.67
2.67 is 8 ÷ 3, dividing instead of taking a cube root.

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