Question

The average age of son and their father is 20 years if the average age of son is 10 years find the age of their father

Answer 1

Answer:

the average age of the father is 30.

Answer 2

Let the age of son be P1 and P2

and age of father be = F

(P1+P2+F)/3 = 20

P1+P2+F=60

(P1+P2)/2=10 (Given)

P1+P2=20. ....(i)

P1+P2+F=60

20+F=60 [From (i) => P1+P2=20]

F=60-20

F=40

Father's age=40 years