0 votes 0 votes In a group of 10 people, where any two people are either friends or enemies, show that there are either 3 mutual friends or 4 mutual enemies and there are either 3 mutual enemies or 4 mutual friends Mathematical Logic counting + – nick17india asked May 18, 2017 nick17india 254 views answer comment Share Follow See 1 comment See all 1 1 comment reply Ayan Maiti commented May 20, 2017 reply Follow Share is there anything more given in the question? Given this info, each of the 10 people can be each others enemy and hence 2 people have 8 mutual enemies. Please correct me if I am wrong. 0 votes 0 votes Please log in or register to add a comment.