Mathematics
A cylindrical vessel 32 cm high and 18 cm as the radius of the base, is filled with sand. This bucket is emptied on the ground and a conical heap of sand is formed. If the height of the conical heap is 24 cm, the radius of its base is :
12 cm
24 cm
36 cm
48 cm
Related Questions
A right cylindrical vessel is full with water. How many cones having the same diameter and height as those of the right cylinder will be needed to store that water?
2
3
4
5
A conical vessel whose internal radius is 10 cm and height 48 cm is full of water. If this water is poured into a cylindrical vessel with internal radius 20 cm, the height to which water rises in it is:
(Take π = 3.14)
3 cm
4 cm
5 cm
6 cm
The volume of a sphere is 38808 cu. cm. The curved surface area of the sphere (in cm2) is:
1386
4158
5544
8316
If the ratio of volumes of two spheres is 1 : 8, then the ratio of their surface areas is :
1 : 2
1 : 4
1 : 8
1 : 16