The following bar graph shown the sales (in thousand numbers ) of scooters from six different companies in 2011 and 2012.

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Correct answer: D
Explanation
The correct answer is option 4 i.e. 74.36%
The average sales of companies B and D in 2012 = (18 + 21)/2 = 39/2
The average sales of companies A and E in 2011 = (11 + 18)/2 = 29/2
Thus, The required % = (29/39) × 100 = 74.36%