Find the density of cuboid of dimesions `3cmxx5cmxx7cm` and having mass 1 kg in SI system.

The total surface area of a cuboid with dimension 10cmxx6cmxx5cm is

Calculate the greatest and the least pressure exerted by a metal block of size 20cmxx8xxcmxx5cm and having a mass of 5kg .

A solid metallic cuboid of dimensions 18cmxx36cmxx72cm is melted and recast into 8 cubes of the same volume. What is the ratio of the total surface area of the cuboid to the sum of the lateral surface areas of all 8 cubes?

A solid cuboid of iron with dimensions 53cmxx40cmxx15cm is melted and recast into a cylinderical pipe. The outer and inner diameter of the pipe are 8 cm and 7 cm. find the length of the pipe.

A wooden box open at the top has its outer dimensions 2.5cmxx9cmxx10cm and its thickness is 0.5 cm. find the volume of wood used.

A piece of iron has dimensions 3cmxx1.5cmxx6cm . If its mass is 205.2g, its relative density is _____________.

The total surface area of the cuboid with dimension 20cmxx30cmxx15cm is . . . . .

16 glass spheres each of radius 2 cm are packed into a cuboidal box of internal dimensions 16cmxx8cmxx8cm and the box is filled with water. Find the volume of water filled in the box.