Civil Services TNPSC Group 1 (New Syllabus) Mock Test 2025 Quantitative Aptitude Mensuration Solid Figures
If two hemispheres of curved surface area 8π cm2 each are joined together to form a sphere. What is the total surface area of the sphere?
1
4π cm2
2
32π cm2
3
8π cm2
4
16π cm2