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# There are 67 children in a community. If 52 like biking,21 like

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Manager
Joined: 26 Nov 2018
Posts: 96
Concentration: Technology, Entrepreneurship
GPA: 3.3
WE: Manufacturing and Production (Manufacturing)
There are 67 children in a community. If 52 like biking,21 like  [#permalink]

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05 Mar 2019, 10:52
1
1
00:00

Difficulty:

15% (low)

Question Stats:

89% (00:55) correct 11% (01:03) wrong based on 18 sessions

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There are 67 children in a community. If 52 like biking,21 like skating and 12 like both, then find the number of children who like neither biking nor skating.

A. 4
B. 5
C. 6
D. 7
E. 8

Pls give me +1 kudos.
Math Expert
Joined: 02 Aug 2009
Posts: 7971
Re: There are 67 children in a community. If 52 like biking,21 like  [#permalink]

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05 Mar 2019, 20:50
Rashed12 wrote:
There are 67 children in a community. If 52 like biking,21 like skating and 12 like both, then find the number of children who like neither biking nor skating.

A. 4
B. 5
C. 6
D. 7
E. 8

Pls give me +1 kudos.

Not a 700 level question..

Now total = B+S+neither-both.....67=52+21+neither-12
67=61+neither.....that is neither 67-61=6

C
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Joined: 18 Aug 2017
Posts: 5014
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: There are 67 children in a community. If 52 like biking,21 like  [#permalink]

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07 Mar 2019, 02:55
Rashed12 wrote:
There are 67 children in a community. If 52 like biking,21 like skating and 12 like both, then find the number of children who like neither biking nor skating.

A. 4
B. 5
C. 6
D. 7
E. 8

Pls give me +1 kudos.

can solve question using 2x2 matrix
we get
6
IMO C
Re: There are 67 children in a community. If 52 like biking,21 like   [#permalink] 07 Mar 2019, 02:55
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