Mathematics · Mensuration
Consider the following statements regarding a cylinder and a solid hemisphere: I. If the height of a cylinder is tripled (keeping radius constant), its curved surface area becomes eight times. II. If the radius of a solid hemisphere is doubled, its total surface area becomes four times. Which of the statement(s) given above is/are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Neither I nor II is correct
- 2Both I and II are correct
- 3Only II is correct✓
- 4Only I is correct
Correct answer
Only II is correct
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