state gov UP Police Constable Mock Test Series 2025 Quantitative Aptitude Mensuration Solid Figures

A solid metallic cone of base radius 2.1 cm and height 8.4 cm is melted and recast into a sphere. What is the surface area (in cm2) of the sphere? (use π = 22/7)

1
55.44
2
40.65
3
44.55
4
36.96
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