Surface Areas and Volumes · Class 9 · CBSE Mathematics
If the radius of a sphere is doubled, how many times does its volume increase?
Practice question from Surface Areas and Volumes (Class 9 · CBSE Mathematics), with the correct answer and a step-by-step solution.
medium · MCQ · Q-CA95FD
If the radius of a sphere is doubled, how many times does its volume increase?
- A.2 times
- B.4 times
- C.8 timesCorrect answer
- D.16 times
Solution
The volume of a sphere is given by . If is replaced by , the new volume becomes , which is 8 times the original volume.
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