state gov WBPSC Miscellaneous Services Mock Test 2023 Quantitative Aptitude Mensuration Solid Figures
If the diameter of a solid sphere is 42 cm, then the surface area of the sphere is: (use π = \(\frac{22}{7}\))
1
5854 cm2
2
3256 cm2
3
5544 cm2
4
6897 cm2