table charts



Study the following table and answer the questions.
Number of Candidates Appeared and Qualified in a Competitive Examination from Different States Over the Years.
State Year
1997 1998 1999 2000 2001
App. Qual. App. Qual. App. Qual. App. Qual. App. Qual.
M 5200 720 8500 980 7400 850 6800 775 9500 1125
N 7500 840 9200 1050 8450 920 9200 980 8800 1020
P 6400 780 8800 1020 7800 890 8750 1010 9750 1250
Q 8100 950 9500 1240 8700 980 9700 1200 8950 995
R 7800 870 7600 940 9800 1350 7600 945 7990 885

1).
Total number of candidates qualified from all the states together in 1997 is approximately what percentage of the total number of candidates qualified from all the states together in 1998?
A   72%   
B   77%   
C   80%   
D   83%   
ANS: C - 80%

Required percentage
= [ (720 + 840 + 780 + 950 + 870)   x 100 ] %
(980 + 1050 + 1020 + 1240 + 940)
 
= [ 4160   x 100 ] %
5230
  = 79.54% ~= 80%.

2).
What is the average candidates who appeared from State Q during the given years?
A   8700   
B   8760   
C   8990   
D   8920   
ANS: C - 8990

Required average
= 8100 + 9500 + 8700 + 9700 + 8950
5
 
= 44950
5
  = 8990.

3).
In which of the given years the number of candidates appeared from State P has maximum percentage of qualified candidates?
A   1997   
B   1998   
C   1999   
D   2001   
ANS: D - 2001

The percentages of candidates qualified to candidates appeared from State P during different years are:

For 1997 ( 780   x 100 ) % = 12.19%.
6400

For 1998 ( 1020   x 100 ) % = 11.59%.
8800

For 1999 ( 890   x 100 ) % = 11.41%.
7800

For 2000 ( 1010   x 100 ) % = 11.54%.
8750

For 2001 ( 1250   x 100 ) % = 12.82%.
9750

Therefore Maximum percentage is for the year 2001.

4).
What is the percentage of candidates qualified from State N for all the years together, over the candidates appeared from State N during all the years together?
A   12.36%   
B   12.16%   
C   11.47%   
D   11.15%   
ANS: D - 11.15%

Required percentage
= [ (840 + 1050 + 920 + 980 + 1020) x 100 ] %
(7500 + 9200 + 8450 + 9200 + 8800)
 
= [ 4810 x 100 ] %
43150
  = 11.15%

5).
The percentage of total number of qualified candidates to the total number of appeared candidates among all the five states in 1999 is?
A   11.49%   
B   11.84%   
C   12.21%   
D   12.57%   
ANS: B - 11.84%

Required percentage
= [ (850 + 920 + 890 + 980 + 1350) x 100 ] %
(7400 + 8450 + 7800 + 8700 + 9800)
 
= [ 4990 x 100 ] %
42150
  = 11.84%