A cylindrical vessel with internal diameter $10 \mathrm{cm}$ and height $10.5 \mathrm{cm}$ is full of water. A solid cone of base diameter $7 \mathrm{cm}$ and height $6 \mathrm{cm}$ is completely immersed in water. If the volume of water left in the cylinder is $k {\mathrm{cm}}^3$, then find the value of $k$. (Use $\pi =\frac{22}{7}$)

A cylindrical pencil sharpened at one edge is the combination of 

A shuttlecock used for playing badminton is the combination of 

A funnel is the combination of 

A surahi is a combination of 

The shape of a glass (tumbler) is usually in the form of 

The shape of a gill in the gilli-danda game is a combination of 

A plumbline (sahul) is the combination of 

A cone is cut by a plane, parallel to its base and the upper part is removed. The part that is left over is called