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# Twelve ambassadors participate in a special meeting. If each

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Manager
Joined: 27 Jul 2003
Posts: 124
Location: Singapore
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Twelve ambassadors participate in a special meeting. If each [#permalink]  20 Aug 2003, 04:50
Twelve ambassadors participate in a special meeting. If each of these ambassadors must kiss every other ambassador twice on each cheek, What is the total number of kisses given in the meeting?
a. 24 b. 66 c. 132 d. 264 e. 528
Manager
Joined: 03 Jun 2003
Posts: 84
Location: Uruguay
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I have 12C2*4 = 264

Manager
Joined: 10 Jun 2003
Posts: 210
Location: Maryland
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Kudos [?]: 4 [0], given: 0

I will go with.. [#permalink]  20 Aug 2003, 11:44
I will go with

12C2 * 8 = 528

for each combination of ambassadors, there will be 8 kisses exchanged - 4 from person A to person B, and 4 from person B to person A.

So I agree with javropu and mistdew, but I think for different reasons.
Manager
Joined: 25 Jun 2003
Posts: 95
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Each ambssador kisses 11 other ambassodor 4 times ( 2 times each on cheek)

Total kisses = 12 x 11 x 4 = 528
_________________

Brainless

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