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In a class of 60 students, 23 play hockey, 15 play basket ball and 20 play cricket. 7 play hockey and basket ball, 5 play cricket and basket ball, 4 play hockey and cricket and 15 students do not play any of these games. Then \[\]
(a) find the number of students play hockey, basket ball and cricket.\[\]
(b) find the number of students who play hockey but not cricket. \[\]
(c) find the number of students who play hockey and cricket but not basket ball is

## 1 Answer