Spheres - ratios
The surface area of two spheres are in the ratio 1 : 4 . Find the ratio of their volumes.
Correct answer:

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You need to know the following knowledge to solve this word math problem:
- arithmetic
- square root
- solid geometry
- sphere
- body volume
- surface area
- hemisphere
- planimetrics
- area of a shape
- basic functions
- ratio
Units of physical quantities:
Grade of the word problem:
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