In a sports club with 40 members, 20 play badminton and 18 play tennis and 5 do not play either. How many members play both badminton and tennis?  Choose the correct choice from the following options.
A) 3	B) 5	C) 6	D) 7	E) 3

Rationale: "20 + 18 = 38 but where as total number is 40 - 5 = 35 therefore answer is 38 - 35 = 3 hence answer is e"
Answer: E