Data Interpretation - 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.
M520072085009807400850680077595001125
N7500840920010508450920920098088001020
P64007808800102078008908750101097501250
Q8100950950012408700980970012008950995
R780087076009409800135076009457990885

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%

Answer: Option C

Explanation:

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

Answer: Option C

Explanation:

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

Answer: Option D

Explanation:

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%

Answer: Option D

Explanation:

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%

Answer: Option B

Explanation:

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