There are different 6 circles. What is the number of the greatest possible points with which the circles intersect?
Choose the correct choice from the following options: A) 90 B) 100 C) 110 D) 180 E) 30
Maximum points of intersection between n different circles = n*(n - 1) = 6*5= 
<gadget id="calculator">6*5</gadget>
<output>30</output>
30   Answer: 30
<result>E</result>
There are different 6 circles. What is the number of the greatest possible points with which the circles intersect?