1100 boys and 700 girls are examined in a test; 45% of the boys and 30% of the girls pass. The percentage of the total who failed is ?
Choose the correct choice from the following options.
A) A)63.3%  B) B)60.8%  C) C)81.2%  D) D)75.4%  E) E)69.1%
Total number of students = 1100+700= 
<gadget id="calculator">1100+700</gadget>
<output>1_800</output>
1800   Number of students passed= (45% of 1100+30% of 700) = 495+210= 
<gadget id="calculator">495+210</gadget>
<output>705</output>
705   number of failures= 1095*100/1800 = 60.8%   Answer is 60.8%
<result>B</result>
1100 boys and 700 girls are examined in a test; 45% of the boys and 30% of the girls pass. The percentage of the total who failed is ?