Study the following table and answer the questions.
Number of Candidates Who Appeared and Qualified in a Competitive Examination from Different States Over the Years.
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%
Correct answer is C
Required percentage = [ (720 + 840 + 780 + 950 + 870)/(980 + 1050 + 1020 + 1240 + 940) x 100 ] %
= [ 4160/5230 x 100 ] %
= 79.54%
≈ 80%.