SOLUTION: N politicians meet at party .thre are 66 way for hand shakes if each politicians shakes hand with every other politicians once only once .find how many politicians are in party

Question 1129447: N politicians meet at party .thre are 66 way for hand shakes if each politicians shakes hand with every other politicians once only once .find how many politicians are in party
Answer by ikleyn(52855) (Show Source): You can put this solution on YOUR website!
.

 = 66


n*(n-1) = 66*2 = 132


n = 12.      ANSWER

RELATED QUESTIONS
every two persons shakes hand with each other in a party and the total number of hand... (answered by ikleyn)

At a party , each person shakes hands with every other person .the total number of hand... (answered by rjeeva)

There are 5 people in a party. If each shakes the hands of the other four, how many hand... (answered by Edwin McCravy)

At the conference , people shakes hand to each other once. If 220 hand shakes are made,... (answered by ikleyn)

In a party there are 15members. Each shakes hand with one... (answered by ewatrrr)

In a birthday party, each person shakes hand with every other person. If there was a... (answered by ikleyn)

There are five people in a room. Each person shakes the hand of every other person... (answered by MathLover1,greenestamps,ikleyn)

There are five people in the room. Each person shakes the hand of every other person... (answered by scott8148)

i have invited nine people to a party. They all shake hands with me, and each pair shake... (answered by ikleyn)