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<p>The bar graph given below shows the sales of books (in thousands) from six branches (B1, B2, B3, B4, B5, B6) of apublishing company during 2011 and 2012. Based on the graph answer the question.</p><p><img src="http://sothik.com/files/math_l/bank%20question%20bank/BB/RTAD2013/B-Bank.gif" alt="BB Recruitment test for ad 2013" style="display: block; margin-left: auto; margin-right: auto;" /></p><p>Which branch had the worst performance in 2012 compared to its 2011sales?</p>

1. A B1
2. B B2
3. C B3
4. D B4