IBPS RRB Officer Prelims 16 Sep 2017 Paper

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Directions (59–63) : Refer to the pie-chart and answer the given questions.
Distribution of total number of brownies sold by 5 different Bakeries : Total Number of brownies sold : 320
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Question : 61 of 80
 
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What is the difference between the average of the number of brownies sold by bakeries A and B and the average of the number of brownies sold by bakeries C and E?
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