state gov RSMSSB Hostel Superintendent Mock Test 2024 Quantitative Aptitude Mensuration Solid Figures
A sector containing an angle of 120° cut off from a circle of radius 21 cm is folded into a cone. What is the curved surface area of the cone?
1
462 cm2
2
432 cm2
3
426 cm2
4
262 cm2
5
Question Not Attempted