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Question

Answer the question based on the information given in the following table A,B, C, D, E denote companies and 2006, 2007, 2008, 2009 and 2010 denote years.
Number of units manufactured(M) and Number of units sold (s)(in hundred) by five different companies over the years.

AABBCCDDEE

MSMSMSMSMS
20062.81.33.32.22.61.73.02.21.91.4
20073.22.02.41.62.21.52.51.92.01.7
20081.90.92.91.62.11.02.31.51.61.1
20091.00.42.41.32.81.42.11.23.22.5
20102.51.52.31.22.62.11.81.13.12.6

What is the average number of units sold by company D over all the years together?

A
166
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B
158
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C
136
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D
147
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Solution

The correct option is B 158
From the table,
Total number of units manufactured by company D over all the years together
=2.2+1.9+1.5+12+1.1=7.9×100=790
Average number of units sold by company D over all the year together = 7905=158

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