These questions are based on following graphs. Classification of appeared candidates in a competitive test from different States and qualified candidates from those States.
What is the percentage of qualified candidates to that of appeared candidates from States B and C taken together? (rounded to two decimal places).
Number of qualified candidates from States B and C taken together
= $$\frac{16 + 7}{100} \times 9000 = 23 \times 90$$
= $$2070$$
Number of appeared candidates from States B and C taken together
= $$\frac{11 + 8}{100} \times 45000 = 19 \times 450$$
= $$8550$$
$$\therefore$$ Required % = $$\frac{2070}{8550} \times 100$$
= $$\frac{23}{19} \times 20 = 24.21 \%$$
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