A K Upadhyay and S Upadhyay Solutions for Chapter: Surface Areas and Volumes, Exercise 5: MULTIPLE CHOICE QUESTIONS

If surface area of sphere is $676 {\mathrm{\pi cm}}^2$ then its radius is equal to:

Length, breadth and height of a cuboid are $l, b \mathrm{and} h$ respectively. Length of diagonal of cuboid is:

The curved surface area of a right circular cylinder of height $14 \mathrm{cm}$ is $88 {\mathrm{cm}}^2$. Diameter of the base of cylinder is:

If threee cubes of side $"a"$ are joined end to end, the surface area of the new cuboid formed is:

If each side of a cube is doubled, the total surface area becomes:

The radius of a sphere is $2r$, then its volume will be

A cone is $8.4 \mathrm{cm}$ high and the radius of its base is $2.1 \mathrm{cm}$. It is melted and recast into a sphere. The radius of the sphere is:

The radii of two cylinders are in the ratio of $2:3$ and their heights are in the ratio of $5:3$. The ratio of their volume is: