Question

The number of circles passing through three collinear points in a plane is 

(A) 1 

(B) 0 

(C) 9 

(D) 12

Answer 1

Correct option is: (B) 0

There is only one circle can be draw through three non-collinear points in a plane.

But when three points are collinear then no circle can be drawn through them.

Hence, number of circles passing through three collinear points in a plane is O.

Answer 2

Correct option is: (B) 0