MACETE DIAGRAMA DE VENN 3 CONJUNTOS!! PURO RACIOCÍNIO LÓGICO!

Subscribe to the channel, activate the bell, and ask me your questions! =D • Challenges:    • DESAFIO MATEMÁTICO   PDF sheet: https://drive.google.com/file/d/1_js7... In a group of 55 people, 32 play poker, 36 play truco (a card game), 34 play buraco (another card game), 18 play poker and truco, 21 play truco and buraco, and 20 play buraco and poker. If a single person does not play any of these three games, the number of people who play all three games is: a) 12 b) 11 c) 9 d) 7 e) 6