Direction: In the following bar diagram sales of books (in thousand numbers) from six branches – B1, B2, B3, B4, B5 and B6 of a publishing company in 2009 and 2010 have been shown. Study the graph and answer the questions.
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x% of the average sales of branches B1, B2 and B3 in 2010 is the average sales of branches B1, B3 and B6 in 2009. The value of x is
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- 77.5%
- 87.5%
- 82.5%
- 75%
Correct Option: B
As per the given bar diagram , we see
Total sales of branches B1, B2 and B3 in 2010 = 105 + 65 + 110 = 280 thousand
Total sales of branches B1, B3 and B6 in 2009 = 80 + 95 + 70 = 245 thousand
Number of given branches = 3
From question ,
| ∴ | × | = | 3 | 100 | 3 |
| ⇒ x = | = 87.5% | 280 |
