Maths

During conversion of a solid from one shape to another, the volume of the new shape will During conversion of a solid from one shape to another the volume of the new shape will November 25, 2020 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT Class 10 ,

A right circular cylinder of radius r cm and height h cm (where, h>2r) just encloses a sphere of diameter A right circular cylinder of radius r cm and height h cm (where h>2r) just encloses a sphere of diameter November 25, 2020 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT [...]

If two solid hemispheres of same base radius r are joined together along their bases, then curved surface area of this new solid is If two solid hemispheres of same base radius r are joined together along their bases then curved surface area of this new solid is November 25, 2020 Category: Chapter 13 - [...]

A medicine-capsule is in the shape of a cylinder of diameter 0.5 cm with two hemispheres stuck to each of its ends. The length of entire capsule is 2 cm. The capacity of the capsule is A medicine-capsule is in the shape of a cylinder of diameter 0.5 cm with two hemispheres stuck to each [...]

The radii of the top and bottom of a bucket of slant height 45 cm are 28 cm and 7 cm, respectively. The curved surface area of the bucket is respectively. The curved surface area of the bucket is The radii of the top and bottom of a bucket of slant height 45 cm are [...]

Twelve solid spheres of the same size are made by melting a solid metallic cylinder of base diameter 2 cm and height 16 cm. The diameter of each sphere is Twelve solid spheres of the same size are made by melting a solid metallic cylinder of base diameter 2 cm and height 16 cm. The [...]

A mason constructs a wall of dimensions 270 cm x 300 cm x 350 cm with the bricks each of size 22.5 cm x 11.25 cmx 8.75 cm and it is assumed that 1/8 space is covered by the mortar. Then, the number of bricks used to construct the wall is A mason constructs a [...]

If a solid piece of iron in the form of a cuboid of dimensions 49 cm x 33 cm x 24 cm, is moulded to form a solid sphere. The, radius of the sphere is If a solid piece of iron in the form of a cuboid of dimensions 49 cm x 33 cm x [...]

A metallic spherical shell of internal and external diameters 4 cm and 8 cm, respectively is melted and recast into the form a cone of base diameter 8 cm. The height of the cone is A metallic spherical shell of internal and external diameters 4 cm and 8 cm respectively is melted and recast into [...]

If a hollow cube of internal edge 22 cm is filled with spherical marbles of diameter 0.5 cm and it is assumed that 1/8 space of the cube remains unfilled. Then, the number of marbles that the cube can accomodate is If a hollow cube of internal edge 22 cm is filled with spherical marbles [...]