A played 10
B played 15
C played 17.
Who lost the second game?
Kindly provided by Alex Bellos Photograph: Whit Preston/Getty Images Three friends (A, B and C) are playing ping pong. They play the usual way: two play at a time, the winner stays on, and the loser waits his/her turn again. At the end of the day, they summarise the number of games that each of them played:
A played 10 B played 15 C played 17. Who lost the second game?
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September 2017
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