In a class of 30 students 18 play football 14 play circket and 5 do not play any game,how many students play both the games ?
সমাধান
সঠিক উত্তর: Option B
T=A+B-AB+N
Here, T=Total = 30
A = Play football = 18
B = Play cricket = 14
AB = play both the game = ?
N = Not play any game = 5
So, 30 =18 + 14 - AB + 5
=> AB = 37-30
=> AB = 7
Ans. 7
