Coplanar points are the points that are in the same plane. Can $3$ points be non-coplanar?

Using a ruler, check whether the following points given in figure are collinear or not:

$D, A$ and $C$

Using a ruler, check whether the following points given in figure are collinear or not:

$A, B$ and $C$

Using a ruler, check whether the following points given in figure are collinear or not:

$A, B$ and $E$

Using a ruler, check whether the following points given in figure are collinear or not:

$B, C$ and $E$

Give three examples of intersecting lines from your environment.

Give three examples of parallel lines from your environment.

From Figure, write all pairs of parallel lines.

“Note: This question given in the book seems to have errors and the modified question should be as given below.”

From Figure, write all pairs of parallel lines.