defence exam CRPF Constable Tradesmen & Technical 2023 Mock Test Quantitative Aptitude Mensuration Solid Figures
A hemisphere of lead of radius 4 cm is cast into a right circular cone of height 72 cm. What is the radius of the base of the cone?
1
1.63 cm
2
1.35 cm
3
1.33 cm
4
1.45 cm