The bar graph given below shows the sales of books (in thousand number) from six branches of a publishing company during two consecutive years 2000 and 2001.
Sales of Books (in thousand numbers) from Six Branches - B1, B2, B3, B4, B5 and B6 of a publishing Company in 2000 and 2001.
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
Correct answer is D
Required ratio = (75 + 65)/(85 + 95) = 140/180 = 7/9