A plane contains 20 points of which 6 are collinear. How many different triangle can be formed with these points?

A plane contains 12 points of which 4 are collinear. How many different stragith lines can be formed with these points?

There are 20 points in a plane, of which 5 points are collinear and no other combination of 3 points are collinear. How many different triangles can be formed by joining these points?

Twelve points are marked on a plane so that no three points are collinear. How many different triangles can be formed joining the points.

There are 25 points in a plane. Six of these are collinear and no other combination of 3 points are collinear. How many different straight lines can be formed by joining these points?

Consider 12 points on a plane of which five are collinear. How many triangles can be formed using the 12 points?

There are ten points in the plane, no three of which are coolinear. How many different lines can be drawn through these points ?

There are ten points in the plane, no three of which are coolinear. How many different lines can be drawn through these points ?

There are ten points in the plane, no three of which are coolinear. How many different lines can be drawn through these points ?

Out of 18 points in a plane, no three are in the same line except 5 points which are collinear How many triangles can be formed by joining the given points.

There are n points in a plane of which p points are collinear. How many lines can be formed from these points?