[" 26.There are "18" points in a plane of which "5" are collinear.How many straight "],[" lines can be formed by joining them? "]

There are 10 points in a plane, out of which 5 are collinear. Find the number of straight lines formed by joining them.

There are 12 points in a plane, out of which 3 points are collinear. How many straight lines can be drawn by joining any two of them?

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

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

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

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

There are 10 points in a plane out of which 5 are collinear. The number of straight lines than can be drawn by joining these points will be

There are 12 points in a plane in which 6 are collinear. Number of different straight lines that can be drawn by joining them, is