Mark two points P and Q. Draw a line through P and Q. Now how many lines are parallel to PQ, can you draw ?

Mark two points A and B. Draw a line through A and B. How many lines can be drawn which are parallel to AB?

Take a graph paper, plot the point (2, 4) and draw a line passing through it. Now answer the following questions : Can you draw another line that passes through the point (2, 4)?

Take a graph paper, plot the point (2,4), and draw a line passing through it. Now answer the following questions. Can you draw another line that passes through the point (2,4).

How many structural isomers can you draw for pentane?

How many tangnets can you draw to a circle , which are parallel to each other ?

Take a graph paper, plot the point (2, 4) and draw a line passing through it. Now answer the following questions : How many such lines can be drawn?