Remembering that 1AD came immediately after 1BC, while solving these problems take 1BC as -1 and 1AD as +1.
A) The greeco - Roman era, when Greece and Rome ruled Egypt started in the year 330 BC and ended in the year 395 AD. How long did the era last?
B) Bhaskaracharya was born in the year 1114 AD and died in the year 1185 AD.what was his age when he died?
C) Turks ruled Egypt in the year 1517 AD and queen nefertis ruled Egypt about 2900 years before the Turks ruled. In what year did she ruled ?