The following questions are based on a pie-chart and a table. The pie chart deals with percentagewise distribution of sales of mobile phones of three brands by a store X in the year 2013 where as the table deals with the ratio of respective sales. You are required to study the pie-chart and the table carefully to answer the questions.

Percentage wise distribution of sales of mobile phones by 6 stores A B C D E and F

Total number of mobile phones sold =66000

Ratio of mobiles phones sold by all stores

Question 130

By what per cent is the number of all mobile phones sold by store D more than that sold by sotre B ?


No. of mobile phones sold by D = (18/100)*66000 = 11880

No. of mobile phones sold by B = (8/100)*66000 = 5280

Difference = 11880-5280 = 6600

% by which phones sold by D greater than that by B = (6600/5280)*100 = 125%

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