The support project of a company in England has 619 men and 619 women employees. The average productivity of all employees is 71 calls per day. A male employee consumes an average of 71 calls a day. What is the average number of calls taken by a female employee in a day? 

The support project of a company in England has 619 men and 619 women employees. The average productivity of all employees is 71 calls per day. A male employee consumes an average of 71 calls a day. What is the average number of calls taken by a female employee in a day?  Correct Answer 71

Number of female employees = 619

Number of male employees = 619

⇒ Total employees = 619 + 619 = 1238

Average calls received by 1238 employees = 1238

⇒ Sum of calls received by 1238 employees = 1238 × 71

Average calls received by 619 male employees = 619

⇒ Sum of calls received by 619 male employees = 619 × 71

Sum of calls received by 619 women employees = 1238 × 71 – 619 × 71

= 71 (1238 – 619) = 71 × 619

∴ Average calls received by 619 women employees = (71 × 619)/619 = 71

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