Question 57
The given table represents the number of engineers recruited by four companies A, B, C and D over the years. Study the table carefully and answer the question that follows.
The number of the years in which the number of engineers recruited by company D is less than the average number of engineers recruited by B in the given six years,is:
Solution
Sum of the number of engineers recruited by B in the given six years = 90 + 119 + 98 + 106 + 112 + 118 = 643
Average number of engineers recruited by B in the given six years = 643/6 = 107.16
 $$\therefore$$ 3 years (2014, 2015, 2016) in which the number of engineers recruited by company D is less than the average number of engineers recruited by B in the given six years
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