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# The table above shows the number of students on three teams

Author Message
Intern
Joined: 23 May 2008
Posts: 48
The table above shows the number of students on three teams [#permalink]

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08 Dec 2008, 12:33
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

CLUB / # OF STUDENTS
Polo 60
Lacrosse 50
Soccer 30

The table above shows the number of students on three teams at Timpview School. Although no student is on all three teams, 8 students are on both Polo and Lacrosse, 6 are on both Polo and Soccer, and 4 students are on both Lacrosse and Soccer. How many different students are on the three teams? (Adapted from and mba.com test)
Manager
Joined: 28 Jul 2004
Posts: 136
Location: Melbourne
Schools: Yale SOM, Tuck, Ross, IESE, HEC, Johnson, Booth

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08 Dec 2008, 13:07
Total number of students = sum of students in the three clubs - number of students that are counted
twice because they belong to more than 1 club

= (60+50+30) - (8+6+4)

=132
_________________

kris

Senior Manager
Joined: 30 Nov 2008
Posts: 489
Schools: Fuqua

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08 Dec 2008, 15:24
Kishan,

Perfect example of "Speed Kills"

(60+50+30) - (8+6+4) = 122.

Intern
Joined: 05 Oct 2008
Posts: 14

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08 Dec 2008, 16:27
And in the case there are 3 students on all three teams, we have a total of 122+3 = 125, right?
Re: Venn?   [#permalink] 08 Dec 2008, 16:27
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