Directions (46-50): Study the table carefully and answer the given questions.
Year
|
State P
|
State Q
|
Number of appeared candidates
|
Percentage of appeared candidates who qualified
|
Number of appeared candidates
|
Percentage of appeared candidates who qualified
|
2006
|
450
|
60%
|
–
|
30%
|
2007
|
600
|
43%
|
–
|
45%
|
2008
|
–
|
60%
|
280
|
60%
|
2009
|
480
|
70%
|
550
|
50%
|
2010
|
380
|
–
|
400
|
–
|
Note:Few values are missing in the table (indicated by '–'). A candidate is expected to calculate the missing value, if it is required to answer the given question on the basis of the given information.
What is the difference between the number of qualified candidates from State P in 2006 and that in 2007?
12
22
14
24
16
Solution
Difference $=\dfrac{450\times 60}{100}-\dfrac{600\times 43}{100} = 270 - 258 = 12$