Question

Which of the following pairs of lines in a circle cannot be parallel?

(a) Two chords
(b) A chord and a tangent
(c) Two tangents
(d) Two diameters​

Answer 1

Answer:- all of them can be parallel .but two diameters may or may not be parallel . because diameters can be common or can cut each other too in the center . when they are common they will be parallel and when they cut each other they will not be parallel.