Question
What is the difference between average number of
article sold by B and D on all the four days? Read the following information carefully and answer the given questions: Table given below gives information about number of articles sold by four different people (A, B, C and D) on four different days (Monday, Wednesday, Friday and Saturday).Solution
Average number of article sold by B on all the four days = (102 + 85 + 140 + 117)/4 = 111 Average number of article sold by D on all the four days = (90 + 113 + 112 + 85)/4 = 100 Required difference = 111 – 100 = 11
More DI Questions
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In how many ways can the selection of 4 boys and 3 girls can be made from a group of 6 boys and 6 girls?
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II. y2 - 9y + 20 = 0
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