Question

The present age of father is four times the age of his son. After 10 years, age
of father will become three times the age of his son. Find their present ages. (3) marks​

Answer 1

Answer:

40 age of father

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Answer 2

Let the age of the son be x

Age of father 4x

After 10 years

Age of child x+10

Age of father 4x+10

The equation follows

that is given in second equation

3(Age of son) = Age of father

3 × (x+10)= 4x+10

3x+30=4x+10

x=20

4x=80