Study the following table carefully and answer the questions given below. Number of employees working in six companies P, Q, R, S, T and U during six years.
What is the difference between the total number of male employees and that of female employees that worked in company R during all the years?
Total number of male employees that worked in company R during all the years
= 388 + 278 + 485 + 685 + 725 + 455 = 3016
Total number of female employees that worked in company R during all the years
= 410 + 325 + 478 + 655 + 710 + 555 = 3133
=> Required difference = 3133 - 3016 = 117
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