In 2009, if the difference between number of male qualified candidates and female qualified candidates was 72, what was the number of appeared candidates in 2009 ?

Solution

In 2009, let the number of male qualified candidates = 9x

Female qualified candidates = 5x

Difference between male and female qualified candidates = 9x - 5x = 72

=> x = 72/4 => x = 18

Thus, total no. of qualified candidates in 2009 = 9x + 5x = 14*18

= 252

% of qualified candidates in 2009 = 42%

No. of appeared candidates in 2009 = 252*$$\frac{100}{42}$$ = 600

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