engineering recuitment UPSSSC Assistant Boring Technician 2022 Mock Test Quantitative Aptitude Mensuration Solid Figures
A conical cap has the base radius 12 cm and height 16 cm. What is the cost of painting the surface of the cap at the rate of 1.40 Rs. per sq. cm?
1
Rs. 1276
2
Rs. 1056
3
Rs. 1012
4
Rs. 1254