Find all School-related info fast with the new School-Specific MBA Forum

 It is currently 04 Jul 2015, 05:52

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

How many 2 elements subsets of {1, 2,3, 4 } are there and

Author Message
TAGS:
Manager
Joined: 05 Oct 2005
Posts: 200
Followers: 1

Kudos [?]: 1 [0], given: 0

How many 2 elements subsets of {1, 2,3, 4 } are there and [#permalink]  23 Nov 2005, 15:01
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
How many 2 elements subsets of {1, 2,3, 4 } are there and do not contains the pair of element 2 AND 4 ?

1
2
4
5
6

thankss
_________________

when there is a will there is a way

best regards

Director
Joined: 14 Sep 2005
Posts: 993
Location: South Korea
Followers: 2

Kudos [?]: 49 [0], given: 0

How many 2 elements subsets of {1, 2,3, 4 } are there and do not contain the pair of element 2 AND 4 ?

Total # of cases of picking 2 elements = 4C2 = 6
# of cases containing 2 AND 4 = 1

6 - 1 = 5
_________________

Auge um Auge, Zahn um Zahn !

Similar topics Replies Last post
Similar
Topics:
1 How many different subsets of the set {0, 1, 2, 3, 4, 5} do 8 26 May 2014, 07:25
1 A set consist of 2n-1 element. What is the number of subsets 2 22 Apr 2010, 11:37
20 What is the number of 7-element subsets of the set {1, 2, 3, 4, 5, 6, 17 14 Sep 2009, 23:18
How many different subsets are there of the set of integers 4 19 Aug 2006, 22:42
HOw many arrangements of the digits 1,2,3,4,5 are there such 4 18 Sep 2005, 14:27
Display posts from previous: Sort by