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M06 #11

Author Message
Senior Manager
Joined: 16 Jan 2009
Posts: 359
Concentration: Technology, Marketing
GMAT 1: 700 Q50 V34
GPA: 3
WE: Sales (Telecommunications)
Followers: 4

Kudos [?]: 199 [0], given: 16

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14 Jul 2009, 23:14
In how many different ways can a group of 8 people be divided into 4 teams of 2 people each?

90
105
168
420
2520

= $$(2C8*2C6*2C4*2C2)/4!$$
Could someone please explain why we are dividing the number of combinations by 4!?
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Lahoosaher

CIO
Joined: 02 Oct 2007
Posts: 1218
Followers: 94

Kudos [?]: 911 [0], given: 334

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14 Jul 2009, 23:23

m06q11-80504.html
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Re: M06 #11   [#permalink] 14 Jul 2009, 23:23
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M06 #11

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