Question: The number of computers sold in a day by different companies is represented in the pie chart. Find the average number of computers sold in a day.
A ) 25 B ) 20 C ) 10 D ) 15
Steps to derive
1 From the graph, the numbers of computers sold in a day by different companies are 36, 14, 11, 9, 7 and 43.
2 Average number of computers sold = total number of computers sold / number of companies. [Number of companies = 6.] 2 = (36+14+11+9+7+43)6 = 1206 = 20
3 So, on an average, 20 computers were sold in a day.
