Question

The number of circles that can be drawn from 11 points of which 7 are collinear is

Answer 1

11 as one circle can form from 1 point..doesnot matter how many are colinbear or not

Answer 2

HI FRIEND

you can draw a circle through any 3 non-colinear points.

There are 10C3 ways to pick 3 points, but 7C3 of these are all colinear.
10C3 - 7C3


HOPE IT HELPS