The bar graph given below shows the sales of books (in thousands) from six branches (B1, B2, B3, B4, B5, and B6) of a publishing company during 2011 and 
Which branch had the worst performance in 2012 compared to its ‘2011 sales?
সমাধান
সঠিক উত্তর: Option B
The sales of B2 branch in 2011= 75
and 2012 = 65
the decrease sales=75-65=10
All branches had good performance but only B2 branch had the worst performance in 2012
