Question

a father is 30 years older than his son. in 12 years, the man will be three times as old as his son. find their present age

Answer 1

Let the age of son be 'x'
So age of father is x+30
After 12 years age of father will be 3 times as old as his son.
So,
3(x+12)= x+42
So x = 3
Present ages
Son = 3 years
Father = 33 years