Maximum points of intersection between n different circles = n*(n - 1) = 20*19 = 380
This justifies what answer for what question? Q & A:
There are different 20 circles. What is the number of the greatest possible points with which the circles intersect?
Options:
(A) 380
(B) 200
(C) 110
(D) 180
(E) 200
(A)