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# Statistics

Author Message
TAGS:
Senior Manager
Joined: 05 Oct 2008
Posts: 273
Followers: 3

Kudos [?]: 36 [0], given: 22

Statistics [#permalink]  05 Oct 2009, 05:11
00:00

Difficulty:

5% (low)

Question Stats:

85% (01:42) correct 15% (02:33) wrong based on 34 sessions
Six points lie on the circumference of a circle. What is the positive difference between the number of triangles and the number of quadrilaterals that can be created by connecting these points?

4
5
6
15
20
Senior Manager
Joined: 23 Jun 2009
Posts: 360
Location: Turkey
Schools: UPenn, UMich, HKS, UCB, Chicago
Followers: 5

Kudos [?]: 94 [0], given: 60

Re: Statistics [#permalink]  05 Oct 2009, 05:43
6c3-6c4=6.5.4/3.2.1-6.5.4.3/4.3.2.1=20-15=5
Re: Statistics   [#permalink] 05 Oct 2009, 05:43
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