# table chart aptitude questions

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%

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

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

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%

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%