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Bar Charts - General Aptitude

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.

Q1:

What percent of the average sales of branches B1, B2 and B3 in 2001 is the average sales of branches B1, B3 and B6 in 2000?

A 75%

B 77.5%

C 82.5%

D 87.5%

ANS:D - 87.5%

Average sales (in thousand number) of branches B1, B3 and B6 in 2000

    = 1 x (80 + 95 + 70) = ( 245 ) .
3 3
Average sales (in thousand number) of branches B1, B2 and B3 in 2001
    = 1 x (105 + 65 + 110) = ( 280 ) .
3 3
Therefore Required percentage = [ 245/3 x 100 ] % = ( 245 x 100 ) % = 87.5%.
280/3 280