Student: There are different 6 circles. What is the number of the greatest possible points with which the circles intersect?\nOptions:\n(A) 90\n(B) 100\n(C) 110\n(D) 180\n(E) 30.
Another student: Let's say, hmmm...

User
Maximum points of intersection between n different circles = n*(n - 1) = 6*5 = 30 Final answer: (E).
Assistant