Mathematics
The total area of a solid metallic sphere is 1256 cm3. It is melted and recast into solid right circular cones of radius 2.5 cm and height 8 cm. Calculate :
(i) the radius of the solid sphere,
(ii) the number of cones recast.
[Take π = 3.14]
Related Questions
A solid rectangular block of metal 49 cm by 44 cm by 18 cm is melted and formed into a solid sphere. Calculate the radius of the sphere.
A hemispherical bowl of internal radius 9 cm is full of liquid. This liquid is to be filled into conical shaped small containers each of diameter 3 cm and height 4 cm. How many containers are necessary to empty the bowl?
The surface area of a solid metallic sphere is 2464 cm2. It is melted and recast into solid right circular cones of radius 3.5 cm and height 7 cm. Calculate :
(i) the radius of the sphere.
(ii) the number of cones recast.
In the given figure, the radius of the cone is same as its height equal to 2 cm each. The sum of the volumes of the whole body is :
8π cm3
16 cm3
32π cm3
32 cm3
