railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mensuration Solid Figures
If a closed metallic conical tank is 4 m deep and its circular top has diameter 6 m, then the area of the metallic sheet required to make the tank is (take π = 3.14):
1
75.36 m2
2
47.1 m2
3
58.3 m2
4
62.12 m2