A sphere fitting inside a cylinder cannot have a diameter larger than the cylinder’s internal diameter. Since the cylinder radius is r, its diameter is 2r, so the enclosed sphere has diameter 2r.
A right circular cylinder of radius r cm and height h cm (h>2r) just encloses a sphere of diameter?
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Question context
This question is part of 📐 Geometry within the broader 🧠 Aptitude Mastery subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.