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SSC CHSL 2025 · PYQ · Mensuration · medium

The total surface area of a solid hemisphere is 300π cm². Find its volume.

  1. A.500π cm²
  2. B.2000/3 π cm³✓ Correct
  3. C.125π cm³
  4. D.333/2 π cm³

Explanation

TSA of hemisphere = 3πr² = 300π → r² = 100 → r = 10. Volume = (2/3)πr³ = (2/3)π×1000 = 2000/3 π cm³.
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