railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mensuration Solid Figures
The height of a cone is 24 cm and radius of its base 10 cm. If the rate of painting it is Rs. 28 / cm2, then what will be the total cost in painting the cone from outside?
1
Rs. 18880
2
Rs. 20820
3
Rs. 17660
4
Rs. 22880