A metal cube of edge 12cm is melted and formed into three smaller cubes. If the edges of the two smaller cubes are 6cm and 8cm, find the edge of the third smaller cube.

A solid cube of edge 14 cm is melted down and recast into smaller and equal cubes each of edge 2 cm . Find the number of smaller cubes obtained.

Three metallic solid cubes whose edges are 3 cm ,4 cm and 5 cm melted and formed into a single cube . Find the edge of the cube formed.

The edges of three cubes of metal are 3cm, 4cm and 5cm. They are melted and formed into a single cube. Find the edge of the new cube.

If the length of the diagonal of a cube is 6sqrt(3) cm , then length of the edge of the cube is 6 cm .

Three cubes of sides 3 cm, 4 cm and 5 cm are melted and a new cube is formed. Find the side of the new cube.

A solid metallic cuboid of dimensions 9m xx 8m xx2 is melted and recast in to solid cubes of edge 2 m .find the number of cubes so formed.

A cube of 9cm edge is immersed completely in a rectangular vessel containing water. If the dimensions of the base are 15cm and 12cm, find the rise in water level in the vessel.

Three metal cubes with edges 6cm, 8cm and 10cm respectively are melted together and formed into a single cube. Find the volume, surface area and diagonal of the new cube.

A cube with edges of length b is divided into 8 equal smaller cubes. What is the difference between the combined surface area of the 8 smaller cubes and the surface area of the original cube ?

The dimensions of a solid metallic cuboid are 72cm xx 30cm xx 75cm . It is melted and recast into identical solid metal cubes with each of edge 6cm. Find the number of cubes formed. Alos, find the cost of polishing the surface of all the cubes formed at the rate Rs 150 per sq. m.