.A mathematician was 70 in the year 500 and he was 80 in the year 490.find the year in which he was born
2006-09-08 19:50:41 · 6 answers · asked by santosh 1 in Education & Reference ➔ Higher Education (University +)
they are talking about B.C. years, which count backwards to 1. 500 + 70 = year he was born.
2006-09-08 19:53:53 · answer #1 · answered by medellia1984 3 · 0⤊ 0⤋
As the age of the mathematician increases with the decrease in the year, this shows that he was living in B.C. era.
Hence as he was 70 in 500B.C. and 80 in 490B.C.
His year of birth=70+500=570B.C.
2006-09-09 03:02:13 · answer #2 · answered by sushantdhall 1 · 0⤊ 0⤋
410
2006-09-09 02:56:52 · answer #3 · answered by Sandi A 4 · 0⤊ 1⤋
he was born in 570 B.C
570 BC-0yrs old
500BC-70yrs old
490BC-80Yrsold
2006-09-09 02:56:42 · answer #4 · answered by Patrick R 2 · 0⤊ 0⤋
Yes..... He was born in year 570 B.C.
2006-09-09 02:56:11 · answer #5 · answered by florin2901 2 · 0⤊ 1⤋
430 B.C.
2006-09-09 02:55:25 · answer #6 · answered by Hielodrive 5 · 0⤊ 2⤋