Mathematics · Mensuration
The height of a solid cylinder is 40 cm, and the diameter of its base is 10 cm. Two identical conical holes, each of radius 5 cm and height 12 cm, are drilled out. What is the surface area (in cm2) of the remaining solid?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1530π✓
- 2450π
- 3480π
- 4390π
Correct answer
530π
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