প্রশ্ন সংশোধন করুন
প্রশ্ন:
A father is three times as old as his son. After fifteen years the father will be twice as old as his son's age at that time . Hence the father's present age is ---
A father is three times as old as his son. After fifteen years the father will be twice as old as his son's age at that time . Hence the father's present age is ---