Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Mensuration Solid Figures
A vessel is in the form of a hollow hemisphere mounted by a hollow cylinder. The diameter of the hemisphere is 28 cm, and the total height of the vessel is 20 cm. Find the inner surface area (in cm²) of the vessel.(Use \(\pi = \frac{22}{7}\))
1
1720
2
1760
3
1780
4
More than one of the above
5
None of the above