Meeting in a Club

Computer Science Level 3

Every Saturday, the members of a club meet in the evening. All the members of the club are honest and never lie. Last Saturday the following conversation was heard at one of the tables with five members sitting around it.
Satya Sadhan: In this club not all the members are friends with each other.
Satyabrata: None of the pair of friends in this club has any common friend.
Satyajit: Every pair of members who are not friends has exactly two common friends in this club.
Satya Iswar: There are fewer than 22 people in this club.

Answer the following -
1. How many members are there in the club?
2. How many friends does satya sadhan have in the club?


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