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The three conferences (Posted on 2005-05-11) Difficulty: 3 of 5
300 students participated in a symposium with 3 conferences in sequence.

Half of the students that attended the first conference, attended neither the other two.

One-third of the students that attended the second conference, attended neither the other two.

And one-fourth of the students that attended the third conference, attended neither the other two.

Knowing that the three conferences were attended by the same number of students, and that each of the 300 students attended at least one conference :

a) how many students attended each conference ?
b) how many students attended only one conference ?
c) how many students attended only two conferences ?
d) how many students attended all 3 conferences ?

One unique solution !

See The Solution Submitted by pcbouhid    
Rating: 4.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Ok then | Comment 10 of 16 |
(In reply to Ok then by Cory Taylor)

Cory,

I still assure you : THE SOLUTION CAN BE ACHIEVED WITH NOT ONE SINGLE TRIAL !!!!!

 


  Posted by pcbouhid on 2005-05-12 17:02:14
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