0 votes 0 votes A club with $n$ members is organized into four committees so that each member belongs to exactly two committees and each pair of committees has exactly one member in common. Then $n=4$ $n=6$ $n=8$ $n$ cannot be determined from the given information Combinatory isi2016-mmamma combinatory + – go_editor asked Sep 13, 2018 recategorized Nov 19, 2019 by Lakshman Bhaiya go_editor 318 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.