Three metal cubes with edges 15 cm, 12 cm and 9 cm, respectively are melted together and formed into a single cube. Find the diagonal of this cube.

Three metallic spheres of radii 6 cm, 8 cm and 10 cm respectively are melted together to form a single solid sphere. Find the radius ofthe resulting sphere.

Find the angle between any two diagonals of a cube.

If a cuboid of length, breadth and height 100 cm, 80 cm and 64 cm respectively be reduced to a cube, then what will be the total surface area of the cube ?

The lengths of sides of three cubes are 3 m, 4 m 5 m respectiveluy. A solid cube is made by melting these these cubes. Fing the length of the side of this large cube in centimetre.

The three co-terminus edges of a rectangular solid are 36 cm, 75 cm and 80 cm respectively . Find the edge of a cube which will be of the same capacity :

If the total surface area of a cube be equal to the sum of the surface areas of three cubes of edges 3 cm, 4 cm and 5 cm respectively, then what will be the length of each side of the cube ?

Three solid cubes of edges 3 units, 4 units and 5 units are melted to make another solid cube. The edge of the new cube is____

The metallic spheres of radii 6 cm, 8 cm and 10 cm are melted to form a single sphere, the diameter of the sphere is____

Let's form two cubes with sides of length 5 cm and 1 cm. Let us calculate the number of small cube to form the big cube.