Interview Question

Created by admin on Mon, 19/11/2012 - 16:21
Explanation: 
x/6 + x/12 + x/7 + 5 + x/2 + 4 = x.
Question: 

Diophantus passed one sixth of his life in childhood, one twelfth in youth, and one seventh more as a bachelor; five years after his marriage a son was born who died four years before his father at half his final age. How old is Diophantus?

Answer: 

84 years