pyq/2015/csat/74
In a society, friends of the same sex hug while friends of opposite sexes shake hands. A group of friends met at a party, resulting in 24 handshakes. What is the possible number of hugs?
(A) 39
(B) 30
(C) 21
(D) 20
In a society, friends of the same sex hug while friends of opposite sexes shake hands. A group of friends met at a party, resulting in 24 handshakes. What is the possible number of hugs?
(A) 39
(B) 30
(C) 21
(D) 20