BANK IBPS RRB Clerk 2025 Mock Test Series (Pre + Mains) Quantitative Aptitude Mensuration Plane Figures
A Hollow cylinder of height 125m with the inner and outer radius 4m and 8m respectively is melted and from 75% of its volume a solid sphere will be formed. Then, find the radius of the sphere.
1
13m
2
15m
3
18m
4
21m
5
12m