Two square pyramids have the same volume. The base edge of one is half that of the other. How many times the height of the second pyramid is the height of the first?

Two cones have the same volume and their base - radiị are in the ratio '4: 5'. What is the ratio of their heights?

Sand is pouring from a pipe at the rate of 12 cm^3 / s. The falling sand forms a cone on the ground in such a way that the height of the cone is always one-sixth of the radius of the base. How fast if the height of the sand cone increasing when the height is 4 cm ?'

A square pyramid of base edge 10 centimetres and height 12 centimetres is to be made of paper. a) Calculate the slant height of the pyramid? b) What is the area of the paper needed to make the square pyramid?

A square pyramid is made from a solid cube having edge 30cm. Calculate the surface area.

Two wires of the same material are given. The first wire is twice as long as the second and has twice the diameter of the second. The resistance of the first will be. (a)Equal to second (b)Half of the second (c)Same (d)None of these

The length of base edge of a square pyramid is 12 centimetres and slant height is 10 centimetres. What is the height of the pyramid?

Height of a wooden square prism is 20 cm and the length of a base edge is 10 cm . a). What is the volume? b) What is the volume of the largest cylinder that can be carved out from the above square prims?

The base-radii of two cones are in the ratio '3: 5' and their heights are in the ratio '2: 3 .' What is the ratio of their volumes?