Teaching REET Mock Test Series 2024-25 Level 1 & 2 (Hindi-Sanskrit-English) Quantitative Aptitude Mensuration Solid Figures
The height of a solid cylinder is 30 cm and the diameter of its base is 10 cm. Two identical conical holes each of radius 5 cm and height 12 cm are drilled out. What is the surface area (in cm2) of the remaining solid?
1
430π
2
120π
3
33π
4
230π
5
Question Not Attempted