railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) Quantitative Aptitude Mensuration Solid Figures
A hemisphere of lead of radius 8 cm is recast into a right circular cone of height 64 cm. Find the radius of the base of the cone. (Where π = 22/7)
1
4√2 cm
2
4 cm
3
2√2 cm
4
8 cm