BA LLB Banaras Hindu University 2016 Solved Paper

Question : 118 of 170

Marks: +1, -0

In a chess tournament each of the 6 players will play every other player only once. How many matches will be played during the tournament?

Solution:

Short Trick

\;{n(n-1)}/{2}=

Number of matches

\;\; =\;{6(6-1)}/{2}=\;{6 × 5}/{2}=15

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