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In a chess tournament each of six player...

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

A

12

B

21

C

14

D

15

Text Solution

Verified by Experts

The correct Answer is:
B

(i)Mathces of second player with 5 players other than the first player and so on,and finally match of sixth player with the seventh one
`therefore` Number of matches played will play `(n(n-1))/(2)` matches
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