12 members were present at a board meeting. Each member shake hands with all of the other members before and after the meeting .How many hand shakes were there?	Choose the correct choice from the following.
A) 237 B) 268 C) 132 D) 827 E) 261
Explanation:   In order to have a hand shake there must be two members. Therefore to select 2 out of 12 we have 12C2.   This happens twice that is before and after the meeting   Answer = 121322 ×2 = 132   Answer: 132
<result>C</result>
12 members were present at a board meeting. Each member shake hands with all of the other members before and after the meeting .How many hand shakes were there?