In a right circular cone, $\sqrt{(l+r)(l-r)}\backslash sqrt\{(l\; +\; r)(l\; -\; r)\}$ =

Volume of a cube is 512 $c{m}^{3}cm^3$ , then its edge is

T.S.A of a solid hemisphere whose radius is x cm is 147 π $c{m}^{2}cm^2$ . Then ‘x’ is

The number of cubes of edge 2 cm which can be cut out from a cube of edge 6 cm is

A cylinder and cone have bases of equal radii and are of equal heights then the volumes are in the ratio is ……………

A heap of the rice is in the form of cone. Its diameter is 12 m, height is 8 m, then the volume is …………

Combination shape of tanker is

A hemisphere is cut out from one face of a cubical wooden block such that the diameter of the hemisphere is equal to the length of the cube, then the surface area of the remaining solid is …………………… sq. units.

The height of a cone and its base radius are 4 cm and 3 cm respectively. Then its slant height is ……………… cm.

A vessel is in the form of a hollow hemisphere mounted by hollow cylinder. The diameter of the hemisphere is 14 cm and the total height of the vessel is 13 cm, then the inner surface area of the vessel is …………