In a chess club there are 35 chess players. 15 of them have won a domestic tournament, 14 have won an international tour

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In a chess club there are 35 chess players. 15 of them have won a domestic tournament, 14 have won an international tour

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In A Chess Club There Are 35 Chess Players 15 Of Them Have Won A Domestic Tournament 14 Have Won An International Tour 1
In A Chess Club There Are 35 Chess Players 15 Of Them Have Won A Domestic Tournament 14 Have Won An International Tour 1 (74.22 KiB) Viewed 32 times
In a chess club there are 35 chess players. 15 of them have won a domestic tournament, 14 have won an international tournament and 18 have won a junior tournament. 9 have won both a domestic and an international tournament, 11 have won an international and a junior tornament, and 12 have won a domestic and a junior tournament. 7 players have won all three kind of tournaments. (i) How many players have won at least one tournament? (ii) How many players have won no tournament? [4] [2]
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