Question

AVERA
8. The average age of sons and their
father is 20 years. If the average age
of sons is 10 years, then find the
age of their father.
(HAZ., 1985)​

Answer 1

Answer:

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Answer 2

Answer

Given the average age of sons and their father is 20 years

The average age son is 10

years,

let the father age the ×

so average of the age of father and his sons 2O

(×+10)/2= 20

×+10 =20×2

×+10 = 40

40-10

30 answer