In a sports club with 30 members, 16 play badminton and 19 play tennis and 2 do not play either. How many members play both badminton and tennis? Choose the most appropriate option
A) 7	B) 8	C) 9	D) 10	E) 11
Let x play both badminton and tennis so 16-x play only badminton and 19-x play only tennis. 2 play none and there are total 30 students. hence,   (16-x)+(19-x)+x+2=30   37-2x+x=30   37-x=30   x=7   So 7 members play both badminton and tennis.   7
<result>A</result>
In a sports club with 30 members, 16 play badminton and 19 play tennis and 2 do not play either. How many members play both badminton and tennis?