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06 Mar 2007, 02:52
Kudos
Bookmarks
Hi guys,
I need some help with this PS problem. Honestly, I have no clue how to approach it. Any help is deeply appreciated. 10x.
In the diagram above, points A, B, C, D, and E represent the five teams in a certain league in which each team must play each of the other teams exactly once. The segments connecting pairs of points indicate that the two corresponding teams have already played their game. The arrows on the segments point to the teams that lost; the lack of an arrow on a segment indicates that the game ended in a tie. After all games have been played, which of the following could NOT be the percent of games played that ended in a tie?
(A) 10%
(B) 20%
(C) 30%
(D) 40%
(E) 50%
I need some help with this PS problem. Honestly, I have no clue how to approach it. Any help is deeply appreciated. 10x.
In the diagram above, points A, B, C, D, and E represent the five teams in a certain league in which each team must play each of the other teams exactly once. The segments connecting pairs of points indicate that the two corresponding teams have already played their game. The arrows on the segments point to the teams that lost; the lack of an arrow on a segment indicates that the game ended in a tie. After all games have been played, which of the following could NOT be the percent of games played that ended in a tie?
(A) 10%
(B) 20%
(C) 30%
(D) 40%
(E) 50%
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
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06 Mar 2007, 04:09
Kudos
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Total no of games possible = 5C2 = 10
No of games already played = 7
No of ties aleady played = 2
No of games left = 3
Maximum no of ties possible now onwards = 5
Minimum no of ties possible = 2
Hence, the answer is (A) as 20% of the total no of games have already been ties.
is the answer correct?
No of games already played = 7
No of ties aleady played = 2
No of games left = 3
Maximum no of ties possible now onwards = 5
Minimum no of ties possible = 2
Hence, the answer is (A) as 20% of the total no of games have already been ties.
is the answer correct?
06 Mar 2007, 04:50
Kudos
Bookmarks
Yes, it's A indeed. That's also the OA. Thanks a lot.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
