Mr X born in 1950 and died in 1925 how is it possible?

Question

A girl bought a box when she was 20, She puts Rs 250 in the box on every birthday And her sister takes out Rs 50 from the box on her birthday. Girl died when she was 60 and when the box was opened there were Rs 500 remaining in the box.

How is it possible?

Answer 1

Mr. X was born in BC 1950 and died 25 years later in BC 1925
It is a countdown to the birth of Christ and thereafter count upwards

Answer 2

Mr X was born in 1950 before Christ and died in 1925 before Christ.

Answer 3

Mr x born in roomno. 1950 & died in roomno.1925..