There are 8 children in a room. If every child hugs each and every other child once, how many hugs will have been out altogether ?
(A) 23
(B) 34
(C) 28
(D) 30
There are 8 children in a room. If every child hugs each and every other child once, how many hugs will have been out altogether ?
(A) 23
(B) 34
(C) 28
(D) 30