Mathematics
Eight identical metallic spheres, each of radius 1 cm are melted and recast into a solid sphere. The radius of the solid sphere formed is :
3 cm
2 cm
1.5 cm
2.5 cm
Related Questions
The ratio between the heights of two solid cones is 2 : 3 and ratio between their radii is 9 : 8. The ratio between their volumes is :
27 : 32
32 : 27
3 : 2
2 : 3
The radius of a solid cylinder is doubled keeping the height same. The percentage increase in its volume is :
200%
100%
400%
300%
The volume of a solid cylinder and a solid cone are same. If their radii are also same, the ratio between the heights of cylinder and cone is :
3 : 1
2 : 3
1 : 3
3 : 2