What was the question for this implicit rationale, and corresponding answer?
Maximum points of intersection between n different circles = n*(n - 1) = 10*9 = 90
 The answer: (A)
user
The question: There are different 10 circles. What is the number of the greatest possible points with which the circles intersect?
Options:
(A) 90
(B) 100
(C) 110
(D) 180
(E) 200
assistant