Question
What is the average of total number of items sold by
shop B, C and E? Read the following data carefully and answer the given questions: The given line graph shows the average of number of laptops and number of mobile phones sold and percentage of number of laptops sold out of total number of items sold by the given 5 shops namely A, B, C and D. Total number of items sold = Number of laptops sold + Number of mobile phones soldSolution
Shop A: Total number of items sold = 2 x 1160 = 2320 Number of laptops sold = 2320 x 0.6 = 1392 Number of mobile phones sold = 2320 - 1392 = 928 Similarly, 
Required average = (2400 + 1800 + 2040)/3 = 6240/3 = 2080
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