state gov UP Police Head Operator (Radio Cadre) Mock Test Quantitative Aptitude Mensuration Solid Figures
The diameter of the base of a solid right circular cone is 22 cm and its height is 60 cm. The cost of polishing its curved surface at Rs. 1.40 per cm2 is: (Take π = \(\frac{22}{7}\))
1
Rs. 3,006
2
Rs. 2,904
3
Rs. 2,807.20
4
Rs. 2,952.40