Total Exports of Six Countries over Five Years (in Rs. crore) Year country 1998 1999 2000 2001 2002 P 20 40 60 45 90 Q 30 25 15 50 100 R 50 55 70 90 65 S 45 60 20 15 25 T 60 50 55 100 110 U 24 40 60 75 120 Note Profit = Exports $ - $ Imports By what per cent the average export of country T over all the given years more than the average export of country R over all the given years?
A) $ 13\frac{7}{11}% $
B) $ 9\frac{1}{11}% $
C) $ 13\frac{5}{7}% $
D) $ 4\frac{7}{11}% $
E) $ 12\frac{1}{7}% $
Correct Answer: A
$ \therefore $ Required percentages $ =\frac{9}{66}\times 100%=\frac{150%}{11}=13\frac{7}{11}% $