The average age of a team of 15 employees is 36. The youngest of them is 20 years old and eldest of them is 56 years old. Two of them with average 28 leave the team. If one of the two comes back on the condition that he will be made team leader then what will be the new average age?
Answers
Given : The average age of a team of 15 employees is 36. The youngest of them is 20 years old and eldest of them is 56 years old. Two of them with average 28 leave the team. If one of the two comes back on the condition that he will be made team leader
To Find : what could be the new average age
39
38
36
35
Solution:
The average age of a team of 15 employees is 36
=> Total age = 15 * 36 = 540
The youngest of them is 20 years old and eldest of them is 56 years old.
Two of them with average 28 leave the team
Age of them = 2* 28 = 56
Age can be (20 , 36 ) , ( 21 , 25) , _________ (27 , 29) , (28 , 28 )
=> Total age = 540 - 56 = 484
Total members = 15 - 2 = 13
one of the two comes back on the condition that he will be made team leader Hence Age can be between 20 and 36
Total age = 484 + 20 to 484 + 36
= 504 to 520
Members = 13 + 1 = 14
Average
504/14 to 520/14
= 36 or 37.14
In the given options only 36 satisfy this
Hence new average age can be 36
Learn More:
The average age of 21 boys is 29 years. When one boy leaves the ...
https://brainly.in/question/12311625
The average weight of 9 mangoes increases by 20 grams. If one of ...
https://brainly.in/question/8959141