state gov TNPSC Group 4 (தமிழ்நாடு குழு IV) Mock Test 2025 Quantitative Aptitude Mensuration Solid Figures
Hollow circular cylinder of inner radius 15 cm and outer radius 16 cm is made of iron, if height of the cylinder is 63 cm. How much iron is required to construct hollow circular cylinder?
1
6248 cm3
2
6348 cm3
3
6138 cm3
4
6156 cm3