A football competition is joined by 12 teams. At the first round, each team has to compete another. The number of matches at the 1st round is equal to a.) 132 b.) 66 c.) 33 d.) 24

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A football competition is joined by 12 teams. At the first round, each team has to compete another. The number of matches at the 1st round is equal to a.) 132 b.) 66 c.) 33 d.) 24
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