Q. The maximum number of points of intersection of 6 circles is
A) 25
B) 24
C) 50
D) 30
Explanation
(d)
Two circles intersect maximum at two distinct points. Now, two circles can be selected in $\ ^{6}C_{2}$ ways.
$\therefore$ Total number of points in intersection are
$\ ^{6}C_{2} \times 2 = 30$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.