Study the following bar chart and answer the questions carefully.
Sales Turnover of 5 Companies (in Rs. crores)
What is the approximate difference between the average sales turnover of all the companies put together between the years 2001 - 2002 and 2002 - 2003 ?
A.
133.45
B.
142.48
C.
117.6
D.
None of these
Correct answer is B
Difference between the sum of the two years divided by 5.