Study the Table to answer these questions.
The following table gives the number of candidates Appeared (App.) and Qualifies (Quali.) in ABC entrance examination from different zones (I - IV in different years from 2006 - 2011)
The total number of qualifying candidates in 2009 is what per cent less than that in 2011?
Total number of qualifying candidates in 2009Â =Â
650 + 560 + 510 + 500 + 220 + 490
= 2930
total number of qualifying candidates in 2011 =Â
648 + 612 + 588 + 580+238+534
=3192
% required = 3192-2930/3192
= 262/3192
= 8.2%
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