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 choices:
A) 3 B) 5 C) 6 D) 7 E) 3
20+18= 
<gadget id="calculator">20+18</gadget>
<output>38</output>
38   but where as total number is   40-5= 
<gadget id="calculator">  40-5</gadget>
<output>35</output>
35   therefore answer is   38-35= 
<gadget id="calculator">  38-35</gadget>
<output>3</output>
3   Hence Answer is 3
<result>E</result>
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?