Question

9. In a school, 33 students are in hockey team, 30 are in football team and 33 in cricket team. If 12 play hockey
and cricket, 10 play cricket and football, 11 play hockey and football and 6 play all three games. Find
(1) how many students are there in all? (ii) how many play football only?
(iii) how many play cricket only?
(iv) how many play hockey only?​

Answer 1

i > 39

ii > 27

iii > 28

iv > 28