A company has 65 employees, of which 22 studied accounting, 15 studied finance and 14 studied marketing. Nine employees have done just two courses and only one made ​​the three courses. How many employees have no training?
Options:
A) A)0  B) B)9  C) C)10  D) D)11  E) E)25
Total employees=65   studied accounting=22   studied finance=15   studied marketing=14   9 employees have been double counted and one employee has been counted thrice.   Therefore employees who have received training=22+15+14-9-(2*1)   =51-11= 
<gadget id="calculator">51-11</gadget>
<output>40</output>
40   25mployees with no training=65-40= 
<gadget id="calculator">65-40</gadget>
<output>25</output>
25   Ans=25
<result>E</result>
A company has 65 employees, of which 22 studied accounting, 15 studied finance and 14 studied marketing. Nine employees have done just two courses and only one made ​​the three courses. How many employees have no training?