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10 Dec 2006, 22:29
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It is very simple but took me 1 min to think it over)))
Sometimes simple problems take too much time
If each of the 12 teams participating in a certain tournament plays exactly one game
with each of the other teams, how many games will be played?
A. 144 B. 132 C. 66 D. 33 E. 23
Sometimes simple problems take too much time
If each of the 12 teams participating in a certain tournament plays exactly one game
with each of the other teams, how many games will be played?
A. 144 B. 132 C. 66 D. 33 E. 23
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11 Dec 2006, 01:08
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I got 66
My reasoning is simple....
1st team will play 11 "different games"
2nd team will play 10 "different games"
9
8
7
6
5
4
3
2
1
0
Add everything up and get 66....
The word "different games"="not repeating games" or "not overlapping games"
My reasoning is simple....
1st team will play 11 "different games"
2nd team will play 10 "different games"
9
8
7
6
5
4
3
2
1
0
Add everything up and get 66....
The word "different games"="not repeating games" or "not overlapping games"
