Q1. The ratio of the total surface areas of two cubes is 49 81 What is the ratio of their volumes

Q2. The lengih in m correct to one decimal place of the longest pole that can be fitted in a room of dimensions 12 m x 6 m x 4 m is

Q3. How many cubes each of surface 24 sq dm can be made out of a cube of edge measure one metre

Q4. The radius of a sphere and that of the base of a cylinder are equal The ratio of the radius of the base of the cylinder and the height of the cylinder is 3 4 What is the ratio of the volume of the sphere to that of the cylinder

Q5. A solid sphere whose radius is 21 cm is melted and recast into a regular pyramid of square base If height of the pyramid is 66 cm then what is the length of each side of the base of the pyramid Use