15 chess players take part in a tournament. Every player plays twice with each of his opponents. How many games are to

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VJesus12: Legendary Member; Posts: 2276; Joined: Sat Oct 14, 2017 6:10 amFollowed by: 3 members

by VJesus12 » Fri Jun 11, 2021 7:46 am

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15 chess players take part in a tournament. Every player plays twice with each of his opponents. How many games are to be played?

A. 190
B. 200
C. 210
D. 220
E. 225

Answer: C

Source: GMAT Club Tests

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Source: Beat The GMAT — Problem Solving | Fri Jun 11, 2021 7:46 am

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