He was 20 years old in 1980 B.C, and 15 years old in 1985 B.C in the time period of 'Before Common Era' the years go 'backwards' as it proceeds to the future..
Ben is four times as old as his daughter.
In 20 years’ time Ben shall be twice as old as her.
How old are Ben and his daughter now?
A father said to his son, “Two years ago I was three times as old as you; but in fourteen years I shall be only twice as old as you.” What were the ages of each?
15 years ago, Kanika's father was five times as old as Kanika. After 15 years, her father will be thrice as old as her. What is the present age of Kanika?
