Question

In a family the average age of the father and mother is 38yrs whereas the average age of father,mother and their only daughter is 28yrs.then the age of daughter is

Answer 1

Answer:

8 years

Step-by-step explanation:

let age of mother be x

age of father be y

age of daughter be z

then, Atq

(x+y)/2=38

so x+ y = 76

Now,

(x+y+z)/3=28

putting value of (x+y)

(76+z)= 84

then z=8 years

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