Data Interpretation Ques 225

Question-

Directions : Study the table and answer the given questions.

Data related to candidates appeared and qualified from State ’ $X$ ’ in a competitive exam during 5 years.

Years No. of appeared
candidates		 % of appeared
candidates who
qualified		 Respective ratio of number
of qualified male and number of
qualified female candidates
2006 700 - $3: 2$
2007 - $60 \%$ $5: 3$
2008 480 $42 \%$ -
2009 - $64 \%$ $9: 5$
2010 900 - -

In 2007 , the respective ratio of number of appeared candidates to the qualified candidates was $5: 4$. Number of female qualified candidates constitutes what percent of number of appeared candidates in the same year?

(1) 20

(2) 25

(3) 30

(4) 15

(5) 40

Show Answer

Correct Answer: (3)

Solution: (3)

In the year 2007 ,

Number of candidates who appeared $=5 x$

Number of candidates who qualified $=4 x$

Female candidates who qualified $=\frac{3}{8} \times 4 x=\frac{3 x}{2}$

$\therefore$ Required per cent $=\frac{3 x}{2 \times 5 x} \times 100=30 \%$

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