State whether you can draw line segments on the curved surface of a cylinder.

State whether you can draw line segments on the curved surface of a cone.

State whether you can draw line segments on the base of a cone.

Mark two points $A\mathit{,}\mathit{ }B$ on a sheet of paper. Tell how many line segments can be obtained.

Mark three non-collinear points $\mathrm{A}, \mathrm{B}, \mathrm{C}$ on a sheet of paper. Tell how many line segments can be obtained.

How many line segments can be obtained by marking four points on a sheet of paper, such that no three of them belong to the same line?

Mark any five points on a sheet of paper so that no three of them are collinear. Tell how many line segments can be obtained.

How many number of line segments in the below figure.

In the figure, name all rays with initial points as $A, B$ and $C$ respectively.

Is ray $\overrightarrow{AB}$ different from ray $\overrightarrow{AC}$ ?