There are 40 people and 3 clubs M, S, and Z in a company. 12 people joined M, 14 people joined S and 7 people joined Z. If the members of M did not join any other club, at most, how many people of the company did not
join any club?
Choose the correct option:
A) 22
B) 20
C) 18
D) 16
E) 14
Answer E.   key is 'atmost' here.   so 12 people joined M.   14 people joined S and 7 people joined Z. to get maximum people who did not join any club, 7 people who joined Z are among 14 people who joined S.   so 14+12= 
<gadget id="calculator">14+12</gadget>
<output>26</output>
26   40-26= 
<gadget id="calculator">40-26</gadget>
<output>14</output>
14
<result>E</result>
There are 40 people and 3 clubs M, S, and Z in a company. 12 people joined M, 14 people joined S and 7 people joined Z. If the members of M did not join any other club, at most, how many people of the company did not
join any club?