R. D. Sharma Solutions for Chapter: Surface Area and Volume of a Sphere, Exercise 2: EXERCISE

Find the volume of a sphere whose diameter is $14 \mathrm{cm}$ ( in ${\mathrm{cm}}^3$).

Find the volume of a sphere whose diameter is $3.5 \mathrm{dm}$.( in ${\mathrm{dm}}^3$).

Find the volume of a sphere whose diameter is $2.1 \mathrm{m}$( in ${\mathrm{m}}^3$).

How many bullets can be made out of a cube of lead, whose edge measures $22 \mathrm{cm},$ each bullet being $2 \mathrm{cm}$ in diameter?

A shopkeeper has one laddoo of radius $5 \mathrm{cm}$. With the same material, how many laddoos of radius $2.5 \mathrm{cm}$ can be made?

A hemisphere of lead of radius $7 \mathrm{cm}$ is cast into a right circular cone of height $49 \mathrm{cm}$. Find the radius of the base.

A measuring jar of internal diameter $10 \mathrm{cm}$ is partially filled with water. Four equal spherical balls of diameter $2 \mathrm{cm}$ each are dropped in it and they sink down in water completely. What will be the change in the level of water in the jar?

A sphere, a cylinder and a cone have the same diameter. The height of the cylinder and also the cone are equal to the diameter of the sphere. Find the ratio of their volumes.