Out of 8 points in a plane, 5 are collinear. Find the probability that 3 points selected a random will form a triangle.

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.

4 points out of 8 points in a plane are collinear. Number of different quadrilateral that can be formed by joining them is

4 points out of 8 points in a plane are collinear. Number of different quadrilateral that can be formed by joining them is

4 points out of 8 points in a plane are collinear. Number of different quadrilateral that can be formed by joining them is

4 points out of 8 points in a plane are collinear. Number of different quadrilateral that can be formed by joining them is

4 points out of 8 points in a plane are collinear. Number of different quadrilateral that can be formed by joining them is

out of 18 points in a plane no three are in the same straight lines except five points which are collinear how many triangles can be formed by joining them?

Consider 12 points on a plane of which five are collinear. In how many ways can 3 points be selected from the five collinear points?

There 12 points in a plane of which 5 are collinear . Find the number of triangles that can be formed with vertices at these points.