Exercise
S.N. Chhibber Mathematics Solutions for Exercise
Simple step-by-step solutions to Exercise questions of Surface Area and Volume of Solids from Joy Of Mathematics 8. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercise with Hints & Solutions
of copper is drawn into a wire of radius . Find the length of wire (in ) so formed.
The ratio of the curved surface area to the total surface area of right circular cylinder is . Find the ratio of the height to the radius of the cylinder.
The radii of two cylinders are in the ratio and their heights are in the ratio . Calculate the ratio of their volumes.
A hollow cylindrical pipe is long. Its outer and inner diameters are and respectively. Find the volume of metal (in ) used in making the pipe.
A well of radius is dug to a depth of . Earth taken out of it has been evenly spread all around to form a circular embankment of width . iF the height of the embankment is meter then
A well of radius is dug of . How many of earth are dug out? Find the cost of plastering the internal curved surface at.
A pencil consists of a cylinder of wood with solid cylinder of graphite filled into it. The diameter of pencil is and the diameter of the graphite is . If the length of the pencil is , find the volume of the graphite in .
A pencil consists of a cylinder of wood with solid cylinder of graphite filled into it. The diameter of pencil is and the diameter of the graphite is . If the length of the pencil is , find the volume of wood in