Number of qualified candidates from state P increased by 15% from 2005 to 2006 and by 25% from 2006 to 2007. If the number of qualified candidates from state P in 2007 is 80% of appeared candidates from that particular state, how many candidates appeared from state P for the given competitive exam in 2007 ?
Correct Answer: Description for Correct answer:
In 2005, number of qualified candidates from state P = 320
In 23006 = \( \frac{115}{100} \times 320 = 368 \)
and in 2007 = \( \frac{125}{100} \times 368 = 460 \)
Let the appeared candidates in 23007 be x.
\( \frac{80}{100}x = 460 \)
x = 575
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