Answer: The person was born in 2005 B.C. (Before Christ).
Therefore, he was 5 years old in 2000 B.C, 10 in 1995 B.C, and 15 in 1990 B.C.
In 1990, a person is 15 years old
Answer: The person was born in 2005 B.C. (Before Christ).
Therefore, he was 5 years old in 2000 B.C, 10 in 1995 B.C, and 15 in 1990 B.C.