In an examination 60% failed in Math and 40% failed in French. If 15% failed in both. What % of students passed in both.
Choices:
A) 25%
B) 15%
C) 20%
D) 30%
E) 10%
Passed in Math = 100 - 60= 
<gadget id="calculator">100 - 60</gadget>
<output>40</output>
40%   Passed in French= 100 - 40= 
<gadget id="calculator">100 - 40</gadget>
<output>60</output>
60%   Students who passed Math or French= 100 -15= 
<gadget id="calculator">100 -15</gadget>
<output>85</output>
85%   Students passed in Math and French= (Passed in Math) + (Passed in French) - (Students who passed Math or French) = 60+40-85= 
<gadget id="calculator">60+40-85</gadget>
<output>15</output>
15%   ANSWER:15%
<result>B</result>
In an examination 60% failed in Math and 40% failed in French. If 15% failed in both. What % of students passed in both.