The bar graph given below shows the sales of books (in thousand numbers) from six branches of a publishing company during two consecutive years 2000 and 2001.
Common Information Question: 1/5
What is the ratio of the total sales of branch $B2$ for both years to the total sales of branch $B4$ for both years?
2 : 3
3 : 5
4 : 5
7 : 9
Error(s) Found !!!