In a sports club with 35 members, 15 play badminton and 18 play tennis and 5 do not play either. How many members play both badminton and tennis? Choose one
A) 3	B) 5	C) 6	D) 7	E) 8

Rationale: "15 + 18 = 33 but where as total number is 35 - 5 = 30 therefore answer is 33 - 30 = 3 hence answer is a"
Answer: A