Question

5. In a class of 31 students, 16 play football, 12 play table-tennis and 5 play both games. Find the number of students who play a) at least one of the game. b) none of the game.​

Answer 1

b)3

16 + 12 = 28

31 - 28 = 3

b/c 5 people play both games we wont add them