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The bar graph given below shows the sales of books (in thousand of 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?

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2:3

3:5

4:5

7:9

answer is D.

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Detailed Solution

Sales branch B2 for both years=75+65=140

Sales of brunch 84 for both years=85+95=180.

Required ratio= $\frac{140}{180} = \frac{7}{9} = 7 : 9$

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